regex - npm Package Compare versions

Comparing version 4.3.2 to 4.3.3

dist/regex.min.js

@@ -1,5 +0,5 @@
-var Regex=(()=>{var B=Object.defineProperty;var Ce=Object.getOwnPropertyDescriptor;var Le=Object.getOwnPropertyNames;var _e=Object.prototype.hasOwnProperty;var be=(e,t)=>{for(var n in t)B(e,n,{get:t[n],enumerable:!0})},Oe=(e,t,n,r)=>{if(t&&typeof t=="object"||typeof t=="function")for(let s of Le(t))!_e.call(e,s)&&s!==n&&B(e,s,{get:()=>t[s],enumerable:!(r=Ce(t,s))||r.enumerable});return e};var De=e=>Oe(B({},"__esModule",{value:!0}),e);var ze={};be(ze,{pattern:()=>Q,regex:()=>je,rewrite:()=>qe});var E=Object.freeze({DEFAULT:"DEFAULT",CHAR_CLASS:"CHAR_CLASS"});function N(e,t,n,r){let s=new RegExp(String.raw`${t}|(?<$skip>\[\^?|\\?.)`,"gsu"),i=[!1],o=0,a="";for(let u of e.matchAll(s)){let{0:c,groups:{$skip:p}}=u;if(!p&&(!r||r===E.DEFAULT==!o)){n instanceof Function?a+=n(u,{context:o?E.CHAR_CLASS:E.DEFAULT,negated:i[i.length-1]}):a+=n;continue}c[0]==="["?(o++,i.push(c[1]==="^")):c==="]"&&o&&(o--,i.pop()),a+=c}return a}function x(e,t,n,r){N(e,t,n,r)}function v(e,t,n=0,r){if(!new RegExp(t,"su").test(e))return null;let s=new RegExp(`${t}|(?<$skip>\\\\?.)`,"gsu");s.lastIndex=n;let i=0,o;for(;o=s.exec(e);){let{0:a,groups:{$skip:u}}=o;if(!u&&(!r||r===E.DEFAULT==!i))return o;a==="["?i++:a==="]"&&i&&i--,s.lastIndex==o.index&&s.lastIndex++}return null}function V(e,t,n){return!!v(e,t,0,n)}function W(e,t){let n=/\\?./gsu;n.lastIndex=t;let r=e.length,s=0,i=1,o;for(;o=n.exec(e);){let[a]=o;if(a==="[")s++;else if(s)a==="]"&&s--;else if(a==="(")i++;else if(a===")"&&(i--,!i)){r=o.index;break}}return e.slice(t,r)}var $=class{#e;constructor(t){this.#e=t}toString(){return String(this.#e)}};function Q(e,...t){if(Array.isArray(e?.raw))return new $(e.raw.flatMap((n,r)=>r<e.raw.length-1?[n,t[r]]:n).join(""));if(!t.length)return new $(e??"");throw new Error(`Unexpected arguments: ${JSON.stringify([e,...t])}`)}var f={DEFAULT:"R_DEFAULT",CHAR_CLASS:"R_CHAR_CLASS",GROUP_NAME:"R_GROUP_NAME",ENCLOSED_TOKEN:"R_ENCLOSED_TOKEN",INTERVAL_QUANTIFIER:"R_INTERVAL_QUANTIFIER",INVALID_INCOMPLETE_TOKEN:"R_INVALID_INCOMPLETE_TOKEN"},g={DEFAULT:"CC_DEFAULT",RANGE:"CC_RANGE",ENCLOSED_TOKEN:"CC_ENCLOSED_TOKEN",Q_TOKEN:"CC_Q_TOKEN",INVALID_INCOMPLETE_TOKEN:"CC_INVALID_INCOMPLETE_TOKEN"},G=(()=>{try{new RegExp("(?i:)")}catch{return!1}return!0})(),oe=(()=>{try{new RegExp("","v")}catch{return!1}return!0})(),b="&!#$%*+,.:;<=>?@^`~",I="$E$",j=String.raw`\(\?<(?![=!])(?<captureName>[^>]+)>`,O=String.raw`\((?!\?)(?!(?<=\(\?\()DEFINE\))|${j}`,D=String.raw`\(\?(?:[:=!>A-Za-z\-]|<[=!]|\(DEFINE\))`;function z(e,t){return t===E.CHAR_CLASS?e.replace(new RegExp(String.raw`[()\[\]{}|\\/\-${b}]`,"g"),"\\$&"):e.replace(/[()\[\]{}|\\^$*+?.]/g,"\\$&")}function q(e){return e.replace(new RegExp(`^([${b}])(?!\\1)`),(t,n,r)=>`\\${t}${r+1===e.length?"":t}`)}function ie(e){return e.replace(/^\^/,"\\^^")}function M(e,t){return N(e,String.raw`\\0(?!\d)`,"\\x00",t)}function re(e,t,n){let r=0;for(let[s]of e.matchAll(new RegExp(`[${z(t+n,E.CHAR_CLASS)}]`,"g")))if(r+=s===t?1:-1,r<0)return n;return r>0?t:""}function ae(e,t,n){let r=e.replace(/\\./gsu,"");if(r.endsWith("\\"))return"\\";if(t===f.DEFAULT)return re(r,"(",")");if(t===f.CHAR_CLASS&&!(n===g.ENCLOSED_TOKEN||n===g.Q_TOKEN))return re(r,"[","]");if(t===f.ENCLOSED_TOKEN||t===f.INTERVAL_QUANTIFIER||n===g.ENCLOSED_TOKEN||n===g.Q_TOKEN){if(r.includes("}"))return"}"}else if(t===f.GROUP_NAME&&r.includes(">"))return">";return""}var se=new RegExp(String.raw`
+var Regex=(()=>{var z=Object.defineProperty;var be=Object.getOwnPropertyDescriptor;var Te=Object.getOwnPropertyNames;var Ue=Object.prototype.hasOwnProperty;var _e=(e,t)=>{for(var n in t)z(e,n,{get:t[n],enumerable:!0})},Pe=(e,t,n,r)=>{if(t&&typeof t=="object"||typeof t=="function")for(let s of Te(t))!Ue.call(e,s)&&s!==n&&z(e,s,{get:()=>t[s],enumerable:!(r=be(t,s))||r.enumerable});return e};var Re=e=>Pe(z({},"__esModule",{value:!0}),e);var Je={};_e(Je,{pattern:()=>H,regex:()=>Be,rewrite:()=>Ke});var d=Object.freeze({DEFAULT:"DEFAULT",CHAR_CLASS:"CHAR_CLASS"});function w(e,t,n,r){let s=new RegExp(String.raw`${t}|(?<$skip>\[\^?|\\?.)`,"gsu"),a=[!1],o=0,i="";for(let u of e.matchAll(s)){let{0:c,groups:{$skip:f}}=u;if(!f&&(!r||r===d.DEFAULT==!o)){n instanceof Function?i+=n(u,{context:o?d.CHAR_CLASS:d.DEFAULT,negated:a[a.length-1]}):i+=n;continue}c[0]==="["?(o++,a.push(c[1]==="^")):c==="]"&&o&&(o--,a.pop()),i+=c}return i}function x(e,t,n,r){w(e,t,n,r)}function j(e,t,n=0,r){if(!new RegExp(t,"su").test(e))return null;let s=new RegExp(`${t}|(?<$skip>\\\\?.)`,"gsu");s.lastIndex=n;let a=0,o;for(;o=s.exec(e);){let{0:i,groups:{$skip:u}}=o;if(!u&&(!r||r===d.DEFAULT==!a))return o;i==="["?a++:i==="]"&&a&&a--,s.lastIndex==o.index&&s.lastIndex++}return null}function Q(e,t,n){return!!j(e,t,0,n)}function Z(e,t){let n=/\\?./gsu;n.lastIndex=t;let r=e.length,s=0,a=1,o;for(;o=n.exec(e);){let[i]=o;if(i==="[")s++;else if(s)i==="]"&&s--;else if(i==="(")a++;else if(i===")"&&(a--,!a)){r=o.index;break}}return e.slice(t,r)}var L=class{#e;constructor(t){this.#e=t}toString(){return String(this.#e)}};function H(e,...t){if(Array.isArray(e?.raw))return new L(e.raw.flatMap((n,r)=>r<e.raw.length-1?[n,t[r]]:n).join(""));if(!t.length)return new L(e===void 0?"":e);throw new Error(`Unexpected arguments: ${JSON.stringify([e,...t])}`)}var p={DEFAULT:"DEFAULT",CHAR_CLASS:"CHAR_CLASS",ENCLOSED_P:"ENCLOSED_P",ENCLOSED_U:"ENCLOSED_U",GROUP_NAME:"GROUP_NAME",INTERVAL_QUANTIFIER:"INTERVAL_QUANTIFIER",INVALID_INCOMPLETE_TOKEN:"INVALID_INCOMPLETE_TOKEN"},E={DEFAULT:"DEFAULT",ENCLOSED_P:"ENCLOSED_P",ENCLOSED_Q:"ENCLOSED_Q",ENCLOSED_U:"ENCLOSED_U",INVALID_INCOMPLETE_TOKEN:"INVALID_INCOMPLETE_TOKEN",RANGE:"RANGE"},q=new Set([p.ENCLOSED_P,p.ENCLOSED_U]),G=new Set([E.ENCLOSED_P,E.ENCLOSED_Q,E.ENCLOSED_U]),M=(()=>{try{new RegExp("(?i:)")}catch{return!1}return!0})(),ie=(()=>{try{new RegExp("","v")}catch{return!1}return!0})(),T="&!#$%*+,.:;<=>?@^`~",$="$E$",B=String.raw`\(\?<(?![=!])(?<captureName>[^>]+)>`,U=String.raw`\((?!\?)(?!(?<=\(\?\()DEFINE\))|${B}`,_=String.raw`\(\?(?:[:=!>A-Za-z\-]|<[=!]|\(DEFINE\))`;function J(e,t){return t===d.CHAR_CLASS?e.replace(new RegExp(String.raw`[()\[\]{}|\\/\-${T}]`,"g"),"\\$&"):e.replace(/[()\[\]{}|\\^$*+?.]/g,"\\$&")}function K(e){return e.replace(new RegExp(`^([${T}])(?!\\1)`),(t,n,r)=>`\\${t}${r+1===e.length?"":t}`)}function ue(e){return e.replace(/^\^/,"\\^^")}function y(e,t){return w(e,String.raw`\\0(?!\d)`,"\\x00",t)}function oe(e,t,n){let r=0;for(let[s]of e.matchAll(new RegExp(`[${J(t+n,d.CHAR_CLASS)}]`,"g")))if(r+=s===t?1:-1,r<0)return n;return r>0?t:""}function le(e,t,n){let r=e.replace(/\\./gsu,"");if(r.endsWith("\\"))return"\\";if(t===p.DEFAULT)return oe(r,"(",")");if(t===p.CHAR_CLASS&&!G.has(n))return oe(r,"[","]");if(t===p.INTERVAL_QUANTIFIER||q.has(t)||G.has(n)){if(r.includes("}"))return"}"}else if(t===p.GROUP_NAME&&r.includes(">"))return">";return""}var ae=new RegExp(String.raw`
 (?<groupN>\(\?<(?![=!])|\\[gk]<)
-| (?<enclosedT>\\[pPu]\{)
-| (?<qT>\\q\{)
+| (?<enclosedPU>\\[pPu]\{)
+| (?<enclosedQ>\\q\{)
 | (?<intervalQ>\{)
@@ -14,5 +14,5 @@ | (?<incompleteT>\\(?: $
 | \\?.
-`.replace(/\s+/g,""),"gsu");function R(e,{regexContext:t=f.DEFAULT,charClassContext:n=g.DEFAULT,charClassDepth:r=0,lastPos:s=0}={}){se.lastIndex=s;let i;for(;i=se.exec(e);){let{0:o,groups:{groupN:a,enclosedT:u,qT:c,intervalQ:p,incompleteT:m}}=i;o==="["?(r++,t=f.CHAR_CLASS,n=g.DEFAULT):o==="]"&&t===f.CHAR_CLASS?(r&&r--,r||(t=f.DEFAULT),n=g.DEFAULT):t===f.CHAR_CLASS?m?n=g.INVALID_INCOMPLETE_TOKEN:o==="-"?n=g.RANGE:u?n=g.ENCLOSED_TOKEN:c?n=g.Q_TOKEN:(o==="}"&&(n===g.ENCLOSED_TOKEN||n===g.Q_TOKEN)||n===g.INVALID_INCOMPLETE_TOKEN||n===g.RANGE)&&(n=g.DEFAULT):m?t=f.INVALID_INCOMPLETE_TOKEN:a?t=f.GROUP_NAME:u?t=f.ENCLOSED_TOKEN:p?t=f.INTERVAL_QUANTIFIER:(o===">"&&t===f.GROUP_NAME||o==="}"&&(t===f.ENCLOSED_TOKEN||t===f.INTERVAL_QUANTIFIER)||t===f.INVALID_INCOMPLETE_TOKEN)&&(t=f.DEFAULT)}return{regexContext:t,charClassContext:n,charClassDepth:r,lastPos:e.length}}function U(e){let t=0;return x(e,O,()=>t++,E.DEFAULT),t}function ue(e,t){return N(e,String.raw`\\(?<num>[1-9]\d*)`,({groups:{num:n}})=>`\\${+n+t}`,E.DEFAULT)}function F(e,t,n,r){return e.slice(0,t)+r+e.slice(t+n.length)}var Re=["Basic_Emoji","Emoji_Keycap_Sequence","RGI_Emoji_Modifier_Sequence","RGI_Emoji_Flag_Sequence","RGI_Emoji_Tag_Sequence","RGI_Emoji_ZWJ_Sequence","RGI_Emoji"].join("|"),Ue=new RegExp(String.raw`
+`.replace(/\s+/g,""),"gsu");function P(e,{regexContext:t=p.DEFAULT,charClassContext:n=E.DEFAULT,charClassDepth:r=0,lastPos:s=0}={}){ae.lastIndex=s;let a;for(;a=ae.exec(e);){let{0:o,groups:{groupN:i,enclosedPU:u,enclosedQ:c,intervalQ:f,incompleteT:g}}=a;o==="["?(r++,t=p.CHAR_CLASS,n=E.DEFAULT):o==="]"&&t===p.CHAR_CLASS?(r&&r--,r||(t=p.DEFAULT),n=E.DEFAULT):t===p.CHAR_CLASS?g?n=E.INVALID_INCOMPLETE_TOKEN:o==="-"?n=E.RANGE:u?n=o[1]==="u"?E.ENCLOSED_U:E.ENCLOSED_P:c?n=E.ENCLOSED_Q:(o==="}"&&G.has(n)||n===E.INVALID_INCOMPLETE_TOKEN||n===E.RANGE)&&(n=E.DEFAULT):g?t=p.INVALID_INCOMPLETE_TOKEN:i?t=p.GROUP_NAME:u?t=o[1]==="u"?p.ENCLOSED_U:p.ENCLOSED_P:f?t=p.INTERVAL_QUANTIFIER:(o===">"&&t===p.GROUP_NAME||o==="}"&&(t===p.INTERVAL_QUANTIFIER||q.has(t))||t===p.INVALID_INCOMPLETE_TOKEN)&&(t=p.DEFAULT)}return{regexContext:t,charClassContext:n,charClassDepth:r,lastPos:e.length}}function R(e){let t=0;return x(e,U,()=>t++,d.DEFAULT),t}function ce(e,t){return w(e,String.raw`\\(?<num>[1-9]\d*)`,({groups:{num:n}})=>`\\${+n+t}`,d.DEFAULT)}function F(e,t,n,r){return e.slice(0,t)+r+e.slice(t+n.length)}var Fe=["Basic_Emoji","Emoji_Keycap_Sequence","RGI_Emoji_Modifier_Sequence","RGI_Emoji_Flag_Sequence","RGI_Emoji_Tag_Sequence","RGI_Emoji_ZWJ_Sequence","RGI_Emoji"].join("|"),Oe=new RegExp(String.raw`
 \\(?: c[A-Za-z]
-  | p\{(?<pStrProp>${Re})\}
+  | p\{(?<pStrProp>${Fe})\}
   | [pP]\{[^\}]+\}
@@ -27,8 +27,8 @@ | (?<qStrProp>q)
 | .
-`.replace(/\s+/g,""),"gsu");function Z(e){let t=!1,n;for(let{0:r,groups:s}of e.matchAll(Ue)){if(s.pStrProp||s.qStrProp||r==="["&&t)return!0;if(["-","--","&&"].includes(r))t=!1;else if(r!=="["&&r!=="]"){if(t||n==="]")return!0;t=!0}n=r}return!1}function le(e,t,n,r){let s={raw:[]},i=[],o;return e.raw.forEach((a,u)=>{let c=n(a,{...o,lastPos:0},r);if(s.raw.push(c.transformed),o=c.runningContext,u<e.raw.length-1){let p=t[u];if(p instanceof $){let m=n(p,{...o,lastPos:0},r);i.push(Q(m.transformed)),o=m.runningContext}else i.push(p)}}),{template:s,substitutions:i}}var Fe=new RegExp(String.raw`
-${D}
+`.replace(/\s+/g,""),"gsu");function X(e){let t=!1,n;for(let{0:r,groups:s}of e.matchAll(Oe)){if(s.pStrProp||s.qStrProp||r==="["&&t)return!0;if(["-","--","&&"].includes(r))t=!1;else if(r!=="["&&r!=="]"){if(t||n==="]")return!0;t=!0}n=r}return!1}function fe(e,t,n,r){let s={raw:[]},a=[],o;return e.raw.forEach((i,u)=>{let c=n(i,{...o,lastPos:0},r);if(s.raw.push(c.transformed),o=c.runningContext,u<e.raw.length-1){let f=t[u];if(f instanceof L){let g=n(f,{...o,lastPos:0},r);a.push(H(g.transformed)),o=g.runningContext}else a.push(f)}}),{template:s,substitutions:a}}var ke=new RegExp(String.raw`
+${_}
 | \(\?<
 | (?<backrefNum>\\[1-9]\d*)
 | \\?.
-`.replace(/\s+/g,""),"gsu");function ce(e,t){e=String(e);let n="",r="";for(let{0:s,groups:{backrefNum:i}}of e.matchAll(Fe)){n+=s,t=R(n,t);let{regexContext:o}=t;if(o===f.DEFAULT)if(s==="(")r+="(?:";else{if(i)throw new Error(`Invalid decimal escape "${s}" with implicit flag n; replace with named backreference`);r+=s}else r+=s}return{transformed:r,runningContext:t}}var fe=/^\s$/,Pe=/^\\[\s#]$/,J=/^[ \t]$/,ke=/^\\[ \t]$/,xe=new RegExp(String.raw`
+`.replace(/\s+/g,""),"gsu");function pe(e,t){e=String(e);let n="",r="";for(let{0:s,groups:{backrefNum:a}}of e.matchAll(ke)){n+=s,t=P(n,t);let{regexContext:o}=t;if(o===p.DEFAULT)if(s==="(")r+="(?:";else{if(a)throw new Error(`Invalid decimal escape "${s}" with implicit flag n; replace with named backreference`);r+=s}else r+=s}return{transformed:r,runningContext:t}}var de=/^\s$/,xe=/^\\[\s#]$/,Y=/^[ \t]$/,Ge=/^\\[ \t]$/,Me=new RegExp(String.raw`
 \\(?: [gk]<
@@ -42,9 +42,9 @@ | [pPu]\{
 | \[\^
-| ${D}
+| ${_}
 | \(\?<
-| (?<dp>[${b}])\k<dp>
+| (?<dp>[${T}])\k<dp>
 | --
 | \\?.
-`.replace(/\s+/g,""),"gsu");function pe(e,t,n){e=String(e);let r=!1,s=!1,i=!1,o="",a="",u="",c="",p=!1,m=(l,{prefix:d=!0,postfix:A=!1}={})=>(l=(p&&d?"(?:)":"")+l+(A?"(?:)":""),p=!1,l);for(let{0:l,index:d}of e.matchAll(xe)){if(i){l===`
-`&&(i=!1,p=!0);continue}if(r){if(fe.test(l))continue;r=!1,p=!0}else if(s){if(J.test(l))continue;s=!1}o+=l,t=R(o,t);let{regexContext:A,charClassContext:h}=t;if(l==="-"&&A===f.CHAR_CLASS&&c===g.RANGE&&(n.flags.includes("v")||n.unicodeSetsPlugin))throw new Error("Invalid unescaped hyphen as the end value for a range");if(A===f.DEFAULT&&/^(?:[?*+]|\?\?)$/.test(l)||A===f.INTERVAL_QUANTIFIER&&l==="{")a+=m(l,{prefix:!1,postfix:u==="("&&l==="?"});else if(A===f.DEFAULT)fe.test(l)?r=!0:l.startsWith("#")?i=!0:Pe.test(l)?a+=m(l[1],{prefix:!1}):a+=m(l);else if(A===f.CHAR_CLASS&&l!=="["&&l!=="[^")if(J.test(l)&&(h===g.DEFAULT||h===g.RANGE||h===g.Q_TOKEN))s=!0;else{if(h===g.INVALID_INCOMPLETE_TOKEN)throw new Error(`Invalid incomplete token in character class: "${l}"`);if(ke.test(l)&&(h===g.DEFAULT||h===g.Q_TOKEN))a+=m(l[1],{prefix:!1});else if(h===g.DEFAULT){let T=e[d+1]??"",S=M(l);(J.test(T)||l==="^")&&(S=q(S)),a+=m(S)}else a+=m(l)}else a+=m(l);r||s||i||(u=l,c=h)}return{transformed:a,runningContext:t}}function de(e){let t=String.raw`\(\?:\)`;e=N(e,`(?:${t}){2,}`,"(?:)",E.DEFAULT);let n=I.replace(/\$/g,"\\$");return e=N(e,String.raw`(?:${t}(?=[)|.[$\\]|\((?!DEFINE)|$)|(?<=[()|.\]^>]|\\[bBdDfnrsStvwW]|\(\?(?:[:=!]|<[=!])|^)${t}(?![?*+{]))(?!${n})`,"",E.DEFAULT),e}var Ee=new RegExp(String.raw`(?<noncapturingStart>${D})|(?<capturingStart>\((?:\?<[^>]+>)?)|\\?.`,"gsu");function ge(e,t){if(!/\(\?>/.test(e))return e;let n="(?>",r=`(?:(?=(${t.useEmulationGroups?I:""}`,s=[0],i=0,o=0,a=NaN,u;do{u=!1;let c=0,p=0,m=!1,l;for(Ee.lastIndex=Number.isNaN(a)?0:a+r.length;l=Ee.exec(e);){let{0:d,index:A,groups:{capturingStart:h,noncapturingStart:T}}=l;if(d==="[")c++;else if(c)d==="]"&&c--;else if(d===n&&!m)a=A,m=!0;else if(m&&T)p++;else if(h)m?p++:(i++,s.push(i+o));else if(d===")"&&m){if(!p){o++,e=`${e.slice(0,a)}${r}${e.slice(a+n.length,A)}))<$$${o+i}>)${e.slice(A+1)}`,u=!0;break}p--}}}while(u);return e=N(e,String.raw`\\(?<backrefNum>[1-9]\d*)|<\$\$(?<wrappedBackrefNum>\d+)>`,({0:c,groups:{backrefNum:p,wrappedBackrefNum:m}})=>{if(p){let l=+p;if(l>s.length-1)throw new Error(`Backref "${c}" greater than number of captures`);return`\\${s[l]}`}return`\\${m}`},E.DEFAULT),e}var me=String.raw`(?:[?*+]|\{\d+(?:,\d*)?\})`,X=new RegExp(String.raw`
+`.replace(/\s+/g,""),"gsu");function ge(e,t,n){e=String(e);let r=!1,s=!1,a=!1,o="",i="",u="",c="",f=!1,g=(l,{prefix:m=!0,postfix:A=!1}={})=>(l=(f&&m?"(?:)":"")+l+(A?"(?:)":""),f=!1,l);for(let{0:l,index:m}of e.matchAll(Me)){if(a){l===`
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@@ -62,19 +62,19 @@ | c[A-Za-z]
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 \[\^?-?
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-| (?<dp>[${b}])\k<dp>
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+| \\(?<vOnlyEscape>[${He}])
 | \\[pPu]\{[^}]+\}
 | \\?.
-`.replace(/\s+/g,""),"gsu");function Se(e){let t='Invalid unescaped "-" in character class',n=!1,r="";for(let{0:s,groups:{dp:i,vOnlyEscape:o}}of e.matchAll(Qe)){if(s[0]==="["){if(n)throw new Error("Invalid nested character class when flag v not supported; possibly from interpolation");if(s.endsWith("-"))throw new Error(t);n=!0}else if(s.endsWith("]")){if(s[0]==="-")throw new Error(t);n=!1}else if(n){if(s==="&&"||s==="--")throw new Error(`Invalid set operator "${s}" when flag v not supported`);if(i)throw new Error(`Invalid double punctuator "${s}", reserved by flag v`);if("(){}/|".includes(s))throw new Error(`Invalid unescaped "${s}" in character class`);if(o){r+=o;continue}}r+=s}return r}var je=(e,...t)=>{if(Array.isArray(e?.raw))return te({},e,...t);if((typeof e=="string"||e===void 0)&&!t.length)return te.bind(null,{flags:e??""});if({}.toString.call(e)==="[object Object]"&&!t.length)return te.bind(null,e);throw new Error(`Unexpected arguments: ${JSON.stringify([e,...t])}`)},te=(e,t,...n)=>{let r=Te(e),s=$e(t,n,r),i=0,o="",a;if(s.template.raw.forEach((u,c)=>{let p=!!(s.template.raw[c]||s.template.raw[c+1]);i+=U(u),o+=M(u,E.CHAR_CLASS),a=R(o,a);let{regexContext:m,charClassContext:l}=a;if(c<s.template.raw.length-1){let d=s.substitutions[c];o+=He(d,r.flags,m,l,p,i),d instanceof RegExp?i+=U(d.source):d instanceof $&&(i+=U(String(d)))}}),o=Ie(o,r),r.subclass){let u=We(o);return new ne(u.expression,r.flags,{captureMap:u.captureMap})}return new RegExp(o,r.flags)};function qe(e="",t={}){let n=Te(t);if(n.subclass)throw new Error("Cannot use option subclass");return{expression:Ie($e({raw:[e]},[],n).template.raw[0],n),flags:n.flags}}function Te(e){let t={flags:"",subclass:!1,plugins:[],unicodeSetsPlugin:Se,disable:{},force:{},...e};if(/[nuvx]/.test(t.flags))throw new Error("Implicit flags v/u/x/n cannot be explicitly added");let n=t.force.v||(t.disable.v?!1:oe);return t.flags+=n?"v":"u",n&&(t.unicodeSetsPlugin=null),t}function $e(e,t,n){let r=[];n.disable.x||r.push(pe),n.disable.n||r.push(ce);for(let s of r)({template:e,substitutions:t}=le(e,t,s,n));return{template:e,substitutions:t}}function Ie(e,t){let{flags:n,plugins:r,unicodeSetsPlugin:s,disable:i,subclass:o}=t;return[...r,...i.subroutines?[]:[Ae],...i.atomic?[]:[he,ge],...i.x?[]:[de],...s?[s]:[]].forEach(a=>e=a(e,{flags:n,useEmulationGroups:o})),e}var ne=class e extends RegExp{#e;constructor(t,n,r){super(t,n),r?this.#e=r.captureMap:t instanceof e&&(this.#e=t.#e)}exec(t){let n=RegExp.prototype.exec.call(this,t);if(!n||!this.#e)return n;let r=[...n];n.length=1;for(let s=1;s<r.length;s++)this.#e[s]&&n.push(r[s]);return n}};function He(e,t,n,r,s,i){if(e instanceof RegExp&&n!==f.DEFAULT)throw new Error("Cannot interpolate a RegExp at this position because the syntax context does not match");if(n===f.INVALID_INCOMPLETE_TOKEN||r===g.INVALID_INCOMPLETE_TOKEN)throw new Error("Interpolation preceded by invalid incomplete token");let o=e instanceof $,a="";if(!(e instanceof RegExp)){e=String(e),o||(a=z(e,n===f.CHAR_CLASS?E.CHAR_CLASS:E.DEFAULT));let u=ae(a||e,n,r);if(u)throw new Error(`Unescaped stray "${u}" in the interpolated value would have side effects outside it`)}if(n===f.ENCLOSED_TOKEN||n===f.INTERVAL_QUANTIFIER||n===f.GROUP_NAME||r===g.ENCLOSED_TOKEN||r===g.Q_TOKEN)return o?String(e):a;if(n===f.CHAR_CLASS){if(o){if(V(String(e),"^-|^&&|-$|&&$"))throw new Error("Cannot use range or set operator at boundary of interpolated pattern; move the operation into the pattern or the operator outside of it");let u=ie(q(e));return Z(e)?`[${u}]`:M(u)}return Z(a)?`[${a}]`:a}if(e instanceof RegExp){let u=Be(e,t),c=ue(u.value,i);return u.usedModifier?c:`(?:${c})`}return o?`(?:${e})`:s?`(?:${a})`:a}function Be(e,t){let n={i:null,m:null,s:null},r="\\n\\r\\u2028\\u2029",s=e.source;if(e.ignoreCase!==t.includes("i"))if(G)n.i=e.ignoreCase;else throw new Error("Pattern modifiers not supported, so flag i on the outer and interpolated regex must match");if(e.dotAll!==t.includes("s")&&(G?n.s=e.dotAll:s=N(s,"\\.",e.dotAll?"[^]":`[^${r}]`,E.DEFAULT)),e.multiline!==t.includes("m")&&(G?n.m=e.multiline:(s=N(s,"\\^",e.multiline?`(?<=^|[${r}])`:"(?<![^])",E.DEFAULT),s=N(s,"\\$",e.multiline?`(?=$|[${r}])`:"(?![^])",E.DEFAULT))),G){let i=Object.keys(n),o=i.filter(u=>n[u]===!0).join(""),a=i.filter(u=>n[u]===!1).join("");if(a&&(o+=`-${a}`),o)return{value:`(?${o}:${s})`,usedModifier:!0}}return{value:s}}function We(e){let t=I.replace(/\$/g,"\\$"),n=[!0];return e=N(e,`(?:${O})(?<mark>${t})?`,({0:r,groups:{mark:s}})=>s?(n.push(!1),r.slice(0,-I.length)):(n.push(!0),r),E.DEFAULT),{captureMap:n,expression:e}}return De(ze);})();
+`.replace(/\s+/g,""),"gsu");function Le(e){let t='Invalid unescaped "-" in character class',n=!1,r="";for(let{0:s,groups:{dp:a,vOnlyEscape:o}}of e.matchAll(qe)){if(s[0]==="["){if(n)throw new Error("Invalid nested character class when flag v not supported; possibly from interpolation");if(s.endsWith("-"))throw new Error(t);n=!0}else if(s.endsWith("]")){if(s[0]==="-")throw new Error(t);n=!1}else if(n){if(s==="&&"||s==="--")throw new Error(`Invalid set operator "${s}" when flag v not supported`);if(a)throw new Error(`Invalid double punctuator "${s}", reserved by flag v`);if("(){}/|".includes(s))throw new Error(`Invalid unescaped "${s}" in character class`);if(o){r+=o;continue}}r+=s}return r}var Be=(e,...t)=>{if(Array.isArray(e?.raw))return re({},e,...t);if((typeof e=="string"||e===void 0)&&!t.length)return re.bind(null,{flags:e??""});if({}.toString.call(e)==="[object Object]"&&!t.length)return re.bind(null,e);throw new Error(`Unexpected arguments: ${JSON.stringify([e,...t])}`)},re=(e,t,...n)=>{let r=$e(e),s=Ie(t,n,r),a=0,o="",i;s.template.raw.forEach((c,f)=>{let g=!!(s.template.raw[f]||s.template.raw[f+1]);a+=R(c),o+=y(c,d.CHAR_CLASS),i=P(o,i);let{regexContext:l,charClassContext:m}=i;if(f<s.template.raw.length-1){let A=s.substitutions[f];o+=We(A,r.flags,l,m,g,a),A instanceof RegExp?a+=R(A.source):A instanceof L&&(a+=R(String(A)))}}),o=De(o,r);let u;r.subclass&&({expression:o,captureMap:u}=Ze(o));try{return r.subclass?new se(o,r.flags,{captureMap:u}):new RegExp(o,r.flags)}catch(c){let f=c.message.replace(/ \/.+\/[a-z]*:/,"");throw c.message=`${f}: /${o}/${r.flags}`,c}};function Ke(e="",t={}){let n=$e(t);if(n.subclass)throw new Error("Cannot use option subclass");return{expression:De(Ie({raw:[e]},[],n).template.raw[0],n),flags:n.flags}}function $e(e){let t={flags:"",subclass:!1,plugins:[],unicodeSetsPlugin:Le,disable:{},force:{},...e};if(/[nuvx]/.test(t.flags))throw new Error("Implicit flags v/u/x/n cannot be explicitly added");let n=t.force.v||(t.disable.v?!1:ie);return t.flags+=n?"v":"u",n&&(t.unicodeSetsPlugin=null),t}function Ie(e,t,n){let r=[];n.disable.x||r.push(ge),n.disable.n||r.push(pe);for(let s of r)({template:e,substitutions:t}=fe(e,t,s,n));return{template:e,substitutions:t}}function De(e,t){let{flags:n,plugins:r,unicodeSetsPlugin:s,disable:a,subclass:o}=t;return[...r,...a.subroutines?[]:[Se],...a.atomic?[]:[we,he],...a.x?[]:[Ee],...s?[s]:[]].forEach(i=>e=i(e,{flags:n,useEmulationGroups:o})),e}var se=class e extends RegExp{#e;constructor(t,n,r){super(t,n),r?this.#e=r.captureMap:t instanceof e&&(this.#e=t.#e)}exec(t){let n=RegExp.prototype.exec.call(this,t);if(!n||!this.#e)return n;let r=[...n];n.length=1;for(let s=1;s<r.length;s++)this.#e[s]&&n.push(r[s]);return n}};function We(e,t,n,r,s,a){if(e instanceof RegExp&&n!==p.DEFAULT)throw new Error("Cannot interpolate a RegExp at this position because the syntax context does not match");if(n===p.INVALID_INCOMPLETE_TOKEN||r===E.INVALID_INCOMPLETE_TOKEN)throw new Error("Interpolation preceded by invalid incomplete token");if(typeof e=="number"&&(n===p.ENCLOSED_U||r===E.ENCLOSED_U))return e.toString(16);let o=e instanceof L,i="";if(!(e instanceof RegExp)){e=String(e),o||(i=J(e,n===p.CHAR_CLASS?d.CHAR_CLASS:d.DEFAULT));let u=le(i||e,n,r);if(u)throw new Error(`Unescaped stray "${u}" in the interpolated value would have side effects outside it`)}if(n===p.INTERVAL_QUANTIFIER||n===p.GROUP_NAME||q.has(n)||G.has(r))return o?String(e):i;if(n===p.CHAR_CLASS){if(o){if(Q(String(e),"^-|^&&|-$|&&$"))throw new Error("Cannot use range or set operator at boundary of interpolated pattern; move the operation into the pattern or the operator outside of it");let u=ue(K(e));return X(e)?`[${u}]`:y(u)}return X(i)?`[${i}]`:i}if(e instanceof RegExp){let u=ze(e,t),c=ce(u.value,a);return u.usedModifier?c:`(?:${c})`}return o?`(?:${e})`:s?`(?:${i})`:i}function ze(e,t){let n={i:null,m:null,s:null},r="\\n\\r\\u2028\\u2029",s=e.source;if(e.ignoreCase!==t.includes("i"))if(M)n.i=e.ignoreCase;else throw new Error("Pattern modifiers not supported, so flag i on the outer and interpolated regex must match");if(e.dotAll!==t.includes("s")&&(M?n.s=e.dotAll:s=w(s,"\\.",e.dotAll?"[^]":`[^${r}]`,d.DEFAULT)),e.multiline!==t.includes("m")&&(M?n.m=e.multiline:(s=w(s,"\\^",e.multiline?`(?<=^|[${r}])`:"(?<![^])",d.DEFAULT),s=w(s,"\\$",e.multiline?`(?=$|[${r}])`:"(?![^])",d.DEFAULT))),M){let a=Object.keys(n),o=a.filter(u=>n[u]===!0).join(""),i=a.filter(u=>n[u]===!1).join("");if(i&&(o+=`-${i}`),o)return{value:`(?${o}:${s})`,usedModifier:!0}}return{value:s}}function Ze(e){let t=$.replace(/\$/g,"\\$"),n=[!0];return e=w(e,`(?:${U})(?<mark>${t})?`,({0:r,groups:{mark:s}})=>s?(n.push(!1),r.slice(0,-$.length)):(n.push(!0),r),d.DEFAULT),{captureMap:n,expression:e}}return Re(Je);})();
 //# sourceMappingURL=regex.min.js.map

package.json

 {
   "name": "regex",
-  "version": "4.3.2",
+  "version": "4.3.3",
   "description": "Regex template tag with extended syntax, context-aware interpolation, and always-on best practices",
@@ -17,2 +17,3 @@ "author": "Steven Levithan",
   "types": "./types/regex.d.ts",
+  "sideEffects": false,
   "scripts": {
@@ -42,8 +43,8 @@ "bundle:global": "esbuild src/regex.js --global-name=Regex --bundle --minify --sourcemap --outfile=dist/regex.min.js",
   "devDependencies": {
-    "esbuild": "^0.23.1",
+    "esbuild": "^0.24.0",
     "expect-type": "^0.20.0",
     "jasmine": "^5.3.0",
     "regex-utilities": "^2.3.0",
-    "typescript": "^5.5.4"
+    "typescript": "^5.6.2"
   }
 }

README.md

@@ -10,5 +10,5 @@ <div align="center">
 
-  [![build status](https://github.com/slevithan/regex/workflows/CI/badge.svg)](https://github.com/slevithan/regex/actions)
-  [![npm](https://img.shields.io/npm/v/regex)](https://www.npmjs.com/package/regex)
-  [![bundle size](https://deno.bundlejs.com/badge?q=regex&treeshake=[*])](https://bundlejs.com/?q=regex&treeshake=[*])
+  [![npm version][npm-version-src]][npm-version-href]
+  [![npm downloads][npm-downloads-src]][npm-downloads-href]
+  [![bundle][bundle-src]][bundle-href]
 </div>
@@ -47,2 +47,3 @@
 - [Options](#-options)
+  - [Returning a string](#returning-a-string)
 - [Performance](#-performance)
@@ -123,3 +124,3 @@ - [Compatibility](#-compatibility)
 <script type="module">
-  import {regex, pattern} from 'https://cdn.jsdelivr.net/npm/regex@4.3.2/+esm';
+  import {regex, pattern} from 'https://esm.run/regex';
   // …
@@ -133,3 +134,3 @@ </script>
 ```html
-<script src="https://cdn.jsdelivr.net/npm/regex@4.3.2/dist/regex.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/regex/dist/regex.min.js"></script>
 <script>
@@ -328,3 +329,3 @@ const {regex, pattern} = Regex;
 > [!NOTE]
-> Subroutines are based on the feature in PCRE and Perl. PCRE allows several syntax options including `\g<name>`, whereas Perl uses `(?&name)`. Ruby also supports subroutines (and uses the `\g<name>` syntax), but it has behavior differences that make its subroutines not always act as independent subpatterns.
+> Subroutines are based on the feature in PCRE and Perl. PCRE allows several syntax options including `\g<name>`, whereas Perl uses `(?&name)`. Ruby also supports subroutines (and uses the `\g<name>` syntax), but it has behavior differences related to backreferences and duplicate group names.
 
@@ -549,3 +550,3 @@ ### Subroutine definition groups
 <details>
-  <summary>👉 <b>Show me some edge cases</b></summary>
+  <summary>👉 <b>Show some edge cases</b></summary>
 
@@ -559,5 +560,5 @@ First, let's consider:
 
-Although `[^…]` is a negated character class, `^` ***within*** a class doesn't need to be escaped, even with the strict escaping rules of flags <kbd>u</kbd> and <kbd>v</kbd>.
+Although `[^…]` is a negated character class, `^` *within* a class doesn't need to be escaped, even with the strict escaping rules of flags <kbd>u</kbd> and <kbd>v</kbd>.
 
-Both of these examples therefore match a literal `^`. The interpolated patterns don't change the meaning of the surrounding character class. However, note that the `^` is not simply escaped. `` pattern`^^` `` embedded in character class context would still correctly lead to an "invalid set operation" error due to the use of a reserved double-punctuator.
+Both of these examples therefore match a literal `^` or `a`. The interpolated patterns don't change the meaning of the surrounding character class. However, note that the `^` is not simply escaped, as it would be with `` regex`[${'^'}a]` ``. You can see this by the fact that embedding `` pattern`^^` `` in a character class correctly leads to an "invalid set operation" error due to the use of a reserved double-punctuator.
 
@@ -684,8 +685,12 @@ > If you wanted to dynamically choose whether to negate a character class, you could put the whole character class inside the pattern.
 
-- *Atomized* means that the value is treated as a complete unit; it isn't related to the *atomic groups* feature. Example: In default context, `${x}*` matches any number of the value specified by `x`, and not just its last token. In character class context, subtraction and intersection operators apply to the entire atom.
+<details>
+  <summary>👉 <b>Show more details</b></summary>
+
+- *Atomized* means that the value is treated as a complete unit; it isn't related to the *atomic groups* feature. For example, in default context, `${foo}*` matches any number of `foo`; not just its last token. In character class context, subtraction and intersection operators apply to the entire atom.
 - *Sandboxed* means that the value can't change the meaning or error status of characters outside of the interpolation, and vice versa.
 - Character classes have a sub-context on the borders of ranges. Only one character node (e.g. `a` or `\u0061`) can be interpolated at these positions.
+- Numbers interpolated into an enclosed `\u{…}` context are converted to hexadecimal.
+- The implementation details vary for how `regex` accomplishes sandboxing and atomization, based on the details of the specific pattern. But the concepts should always hold up.
+</details>
 
-> The implementation details vary for how `regex` accomplishes sandboxing and atomization, based on the details of the specific pattern. But the concepts should always hold up.
-
 ## 🔩 Options
@@ -724,3 +729,3 @@
 <details>
-  <summary>👉 <b>See details for each option</b></summary>
+  <summary>👉 <b>Show details for each option</b></summary>
 
@@ -790,3 +795,3 @@ **`flags`** — For providing flags when using an options object.
 - To ensure atomization, `regex` uses nested character classes (which require flag <kbd>v</kbd>) when interpolating more than one token at a time *inside character classes*. A descriptive error is thrown when this isn't supported, which you can avoid by not interpolating multi-token patterns or strings into character classes. There's also an easy workaround: put the whole character class in a `pattern` and interpolate a string into the pattern.
-- Using an interpolated `RegExp` instance with a different value for flag <kbd>i</kbd> than its outer regex relies on [pattern modifiers](https://github.com/tc39/proposal-regexp-modifiers), a bleeding-edge feature available in Chrome/Edge 125 and Opera 111. A descriptive error is thrown in environments without support, which you can avoid by aligning the use of flag <kbd>i</kbd> on inner and outer regexes. Local-only application of other flags doesn't rely on this feature.
+- Using an interpolated `RegExp` instance with a different value for flag <kbd>i</kbd> than its outer regex relies on [pattern modifiers](https://github.com/tc39/proposal-regexp-modifiers), a bleeding-edge feature available in Chrome 125, Edge 125, Opera 111, and Firefox 132. A descriptive error is thrown in environments without support, which you can avoid by aligning the use of flag <kbd>i</kbd> on inner and outer regexes. Local-only application of other flags doesn't rely on this feature.
 
@@ -843,1 +848,10 @@ ## 🙋 FAQ
 © 2024–present. MIT License.
+
+<!-- Badges -->
+
+[npm-version-src]: https://img.shields.io/npm/v/regex?color=78C372
+[npm-version-href]: https://npmjs.com/package/regex
+[npm-downloads-src]: https://img.shields.io/npm/dm/regex?color=78C372
+[npm-downloads-href]: https://npmjs.com/package/regex
+[bundle-src]: https://img.shields.io/bundlephobia/minzip/regex?color=78C372&label=minzip
+[bundle-href]: https://bundlephobia.com/result?p=regex

types/regex.d.ts

@@ -38,2 +38,3 @@ export type InterpolatedValue = string | RegExp | Pattern | number;
 };
+import { pattern } from './pattern.js';
 /**
@@ -81,3 +82,2 @@ @typedef {string | RegExp | Pattern | number} InterpolatedValue
 export const regex: RegexTag<RegExp>;
-import { pattern } from './pattern.js';
 /**
@@ -84,0 +84,0 @@ Returns the processed expression and flags as strings.

types/utils.d.ts

@@ -83,4 +83,5 @@ /**
     let CHAR_CLASS: string;
+    let ENCLOSED_P: string;
+    let ENCLOSED_U: string;
     let GROUP_NAME: string;
-    let ENCLOSED_TOKEN: string;
     let INTERVAL_QUANTIFIER: string;
@@ -92,9 +93,13 @@ let INVALID_INCOMPLETE_TOKEN: string;
     export { DEFAULT_1 as DEFAULT };
-    export let RANGE: string;
-    let ENCLOSED_TOKEN_1: string;
-    export { ENCLOSED_TOKEN_1 as ENCLOSED_TOKEN };
-    export let Q_TOKEN: string;
+    let ENCLOSED_P_1: string;
+    export { ENCLOSED_P_1 as ENCLOSED_P };
+    export let ENCLOSED_Q: string;
+    let ENCLOSED_U_1: string;
+    export { ENCLOSED_U_1 as ENCLOSED_U };
     let INVALID_INCOMPLETE_TOKEN_1: string;
     export { INVALID_INCOMPLETE_TOKEN_1 as INVALID_INCOMPLETE_TOKEN };
+    export let RANGE: string;
 }
+export const enclosedTokenRegexContexts: any;
+export const enclosedTokenCharClassContexts: any;
 export const patternModsSupported: boolean;
@@ -101,0 +106,0 @@ export const flagVSupported: boolean;

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Improved metrics

Total package byte prevSize

453567

increased by1.34%

Lines of code

2872

increased by1.66%

Number of lines in readme file

847

increased by1.68%

No dependency changes