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regex - npm Package Compare versions

Comparing version 4.2.1 to 4.3.0

18

dist/regex.min.js

@@ -1,2 +0,2 @@

var Regex=(()=>{var H=Object.defineProperty;var Ce=Object.getOwnPropertyDescriptor;var Ie=Object.getOwnPropertyNames;var Le=Object.prototype.hasOwnProperty;var _e=(e,t)=>{for(var n in t)H(e,n,{get:t[n],enumerable:!0})},be=(e,t,n,r)=>{if(t&&typeof t=="object"||typeof t=="function")for(let o of Ie(t))!Le.call(e,o)&&o!==n&&H(e,o,{get:()=>t[o],enumerable:!(r=Ce(t,o))||r.enumerable});return e};var Oe=e=>be(H({},"__esModule",{value:!0}),e);var ze={};_e(ze,{pattern:()=>V,processRegex:()=>qe,regex:()=>je,rewrite:()=>qe});var E=Object.freeze({DEFAULT:"DEFAULT",CHAR_CLASS:"CHAR_CLASS"});function N(e,t,n,r){let o=new RegExp(String.raw`${t}|(?<$skip>\[\^?|\\?.)`,"gsu"),i=[!1],s=0,a="";for(let u of e.matchAll(o)){let{0:c,groups:{$skip:p}}=u;if(!p&&(!r||r===E.DEFAULT==!s)){n instanceof Function?a+=n(u,{context:s?E.CHAR_CLASS:E.DEFAULT,negated:i[i.length-1]}):a+=n;continue}c[0]==="["?(s++,i.push(c[1]==="^")):c==="]"&&s&&(s--,i.pop()),a+=c}return a}function k(e,t,n,r){N(e,t,n,r)}function y(e,t,n=0,r){if(!new RegExp(t,"su").test(e))return null;let o=new RegExp(`${t}|(?<$skip>\\\\?.)`,"gsu");o.lastIndex=n;let i=0,s;for(;s=o.exec(e);){let{0:a,groups:{$skip:u}}=s;if(!u&&(!r||r===E.DEFAULT==!i))return s;a==="["?i++:a==="]"&&i&&i--,o.lastIndex==s.index&&o.lastIndex++}return null}function v(e,t,n){return!!y(e,t,0,n)}function W(e,t){let n=/\\?./gsu;n.lastIndex=t;let r=e.length,o=0,i=1,s;for(;s=n.exec(e);){let[a]=s;if(a==="[")o++;else if(o)a==="]"&&o--;else if(a==="(")i++;else if(a===")"&&(i--,!i)){r=s.index;break}}return e.slice(t,r)}var $=class{#e;constructor(t){this.#e=t}toString(){return String(this.#e)}};function V(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: ${JSON.stringify([e,...t])}`)}var f={DEFAULT:"R_DEFAULT",CHAR_CLASS:"R_CHAR_CLASS",GROUP_NAME:"R_GROUP_NAME",ENCLOSED_TOKEN:"R_ENCLOSED_TOKEN",INTERVAL_QUANTIFIER:"R_INTERVAL_QUANTIFIER",INVALID_INCOMPLETE_TOKEN:"R_INVALID_INCOMPLETE_TOKEN"},d={DEFAULT:"CC_DEFAULT",RANGE:"CC_RANGE",ENCLOSED_TOKEN:"CC_ENCLOSED_TOKEN",Q_TOKEN:"CC_Q_TOKEN",INVALID_INCOMPLETE_TOKEN:"CC_INVALID_INCOMPLETE_TOKEN"},x=(()=>{try{new RegExp("(?i:)")}catch{return!1}return!0})(),oe=(()=>{try{new RegExp("","v")}catch{return!1}return!0})(),b="&!#$%*+,.:;<=>?@^`~",C="$E$",Q=String.raw`\(\?<(?![=!])(?<captureName>[^>]+)>`,O=String.raw`\((?!\?)(?!(?<=\(\?\()DEFINE\))|${Q}`,R=String.raw`\(\?(?:[:=!>A-Za-z\-]|<[=!]|\(DEFINE\))`;function B(e,t){return t===E.CHAR_CLASS?e.replace(new RegExp(String.raw`[()\[\]{}|\\/\-${b}]`,"g"),"\\$&"):e.replace(/[()\[\]{}|\\^$*+?.]/g,"\\$&")}function j(e){return e.replace(new RegExp(`^([${b}])(?!\\1)`),(t,n,r)=>`\\${t}${r+1===e.length?"":t}`)}function se(e){return e.replace(/^\^/,"\\^^")}function G(e,t){return N(e,String.raw`\\0(?!\d)`,"\\u{0}",t)}function ne(e,t,n){let r=0;for(let[o]of e.matchAll(new RegExp(`[${B(t+n,E.CHAR_CLASS)}]`,"g")))if(r+=o===t?1:-1,r<0)return n;return r>0?t:""}function ie(e,t,n){let r=e.replace(/\\./gsu,"");if(r.endsWith("\\"))return"\\";if(t===f.DEFAULT)return ne(r,"(",")");if(t===f.CHAR_CLASS&&!(n===d.ENCLOSED_TOKEN||n===d.Q_TOKEN))return ne(r,"[","]");if(t===f.ENCLOSED_TOKEN||t===f.INTERVAL_QUANTIFIER||n===d.ENCLOSED_TOKEN||n===d.Q_TOKEN){if(r.includes("}"))return"}"}else if(t===f.GROUP_NAME&&r.includes(">"))return">";return""}var re=new RegExp(String.raw`
var Regex=(()=>{var H=Object.defineProperty;var Ce=Object.getOwnPropertyDescriptor;var Ie=Object.getOwnPropertyNames;var Le=Object.prototype.hasOwnProperty;var _e=(e,t)=>{for(var n in t)H(e,n,{get:t[n],enumerable:!0})},be=(e,t,n,r)=>{if(t&&typeof t=="object"||typeof t=="function")for(let o of Ie(t))!Le.call(e,o)&&o!==n&&H(e,o,{get:()=>t[o],enumerable:!(r=Ce(t,o))||r.enumerable});return e};var Oe=e=>be(H({},"__esModule",{value:!0}),e);var ze={};_e(ze,{pattern:()=>V,regex:()=>je,rewrite:()=>qe});var E=Object.freeze({DEFAULT:"DEFAULT",CHAR_CLASS:"CHAR_CLASS"});function N(e,t,n,r){let o=new RegExp(String.raw`${t}|(?<$skip>\[\^?|\\?.)`,"gsu"),i=[!1],s=0,a="";for(let u of e.matchAll(o)){let{0:c,groups:{$skip:p}}=u;if(!p&&(!r||r===E.DEFAULT==!s)){n instanceof Function?a+=n(u,{context:s?E.CHAR_CLASS:E.DEFAULT,negated:i[i.length-1]}):a+=n;continue}c[0]==="["?(s++,i.push(c[1]==="^")):c==="]"&&s&&(s--,i.pop()),a+=c}return a}function k(e,t,n,r){N(e,t,n,r)}function y(e,t,n=0,r){if(!new RegExp(t,"su").test(e))return null;let o=new RegExp(`${t}|(?<$skip>\\\\?.)`,"gsu");o.lastIndex=n;let i=0,s;for(;s=o.exec(e);){let{0:a,groups:{$skip:u}}=s;if(!u&&(!r||r===E.DEFAULT==!i))return s;a==="["?i++:a==="]"&&i&&i--,o.lastIndex==s.index&&o.lastIndex++}return null}function v(e,t,n){return!!y(e,t,0,n)}function W(e,t){let n=/\\?./gsu;n.lastIndex=t;let r=e.length,o=0,i=1,s;for(;s=n.exec(e);){let[a]=s;if(a==="[")o++;else if(o)a==="]"&&o--;else if(a==="(")i++;else if(a===")"&&(i--,!i)){r=s.index;break}}return e.slice(t,r)}var $=class{#e;constructor(t){this.#e=t}toString(){return String(this.#e)}};function V(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: ${JSON.stringify([e,...t])}`)}var f={DEFAULT:"R_DEFAULT",CHAR_CLASS:"R_CHAR_CLASS",GROUP_NAME:"R_GROUP_NAME",ENCLOSED_TOKEN:"R_ENCLOSED_TOKEN",INTERVAL_QUANTIFIER:"R_INTERVAL_QUANTIFIER",INVALID_INCOMPLETE_TOKEN:"R_INVALID_INCOMPLETE_TOKEN"},d={DEFAULT:"CC_DEFAULT",RANGE:"CC_RANGE",ENCLOSED_TOKEN:"CC_ENCLOSED_TOKEN",Q_TOKEN:"CC_Q_TOKEN",INVALID_INCOMPLETE_TOKEN:"CC_INVALID_INCOMPLETE_TOKEN"},x=(()=>{try{new RegExp("(?i:)")}catch{return!1}return!0})(),oe=(()=>{try{new RegExp("","v")}catch{return!1}return!0})(),b="&!#$%*+,.:;<=>?@^`~",C="$E$",Q=String.raw`\(\?<(?![=!])(?<captureName>[^>]+)>`,O=String.raw`\((?!\?)(?!(?<=\(\?\()DEFINE\))|${Q}`,D=String.raw`\(\?(?:[:=!>A-Za-z\-]|<[=!]|\(DEFINE\))`;function B(e,t){return t===E.CHAR_CLASS?e.replace(new RegExp(String.raw`[()\[\]{}|\\/\-${b}]`,"g"),"\\$&"):e.replace(/[()\[\]{}|\\^$*+?.]/g,"\\$&")}function j(e){return e.replace(new RegExp(`^([${b}])(?!\\1)`),(t,n,r)=>`\\${t}${r+1===e.length?"":t}`)}function se(e){return e.replace(/^\^/,"\\^^")}function G(e,t){return N(e,String.raw`\\0(?!\d)`,"\\x00",t)}function ne(e,t,n){let r=0;for(let[o]of e.matchAll(new RegExp(`[${B(t+n,E.CHAR_CLASS)}]`,"g")))if(r+=o===t?1:-1,r<0)return n;return r>0?t:""}function ie(e,t,n){let r=e.replace(/\\./gsu,"");if(r.endsWith("\\"))return"\\";if(t===f.DEFAULT)return ne(r,"(",")");if(t===f.CHAR_CLASS&&!(n===d.ENCLOSED_TOKEN||n===d.Q_TOKEN))return ne(r,"[","]");if(t===f.ENCLOSED_TOKEN||t===f.INTERVAL_QUANTIFIER||n===d.ENCLOSED_TOKEN||n===d.Q_TOKEN){if(r.includes("}"))return"}"}else if(t===f.GROUP_NAME&&r.includes(">"))return">";return""}var re=new RegExp(String.raw`
(?<groupN>\(\?<(?![=!])|\\[gk]<)

@@ -14,5 +14,5 @@ | (?<enclosedT>\\[pPu]\{)

| \\?.
`.replace(/\s+/g,""),"gsu");function D(e,{regexContext:t=f.DEFAULT,charClassContext:n=d.DEFAULT,charClassDepth:r=0,lastPos:o=0}={}){re.lastIndex=o;let i;for(;i=re.exec(e);){let{0:s,groups:{groupN:a,enclosedT:u,qT:c,intervalQ:p,incompleteT:g}}=i;s==="["?(r++,t=f.CHAR_CLASS,n=d.DEFAULT):s==="]"&&t===f.CHAR_CLASS?(r&&r--,r||(t=f.DEFAULT),n=d.DEFAULT):t===f.CHAR_CLASS?g?n=d.INVALID_INCOMPLETE_TOKEN:s==="-"?n=d.RANGE:u?n=d.ENCLOSED_TOKEN:c?n=d.Q_TOKEN:(s==="}"&&(n===d.ENCLOSED_TOKEN||n===d.Q_TOKEN)||n===d.INVALID_INCOMPLETE_TOKEN||n===d.RANGE)&&(n=d.DEFAULT):g?t=f.INVALID_INCOMPLETE_TOKEN:a?t=f.GROUP_NAME:u?t=f.ENCLOSED_TOKEN:p?t=f.INTERVAL_QUANTIFIER:(s===">"&&t===f.GROUP_NAME||s==="}"&&(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 k(e,O,()=>t++,E.DEFAULT),t}function ae(e,t){return N(e,String.raw`\\(?<num>[1-9]\d*)`,({groups:{num:n}})=>`\\${+n+t}`,E.DEFAULT)}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("|"),De=new RegExp(String.raw`
`.replace(/\s+/g,""),"gsu");function R(e,{regexContext:t=f.DEFAULT,charClassContext:n=d.DEFAULT,charClassDepth:r=0,lastPos:o=0}={}){re.lastIndex=o;let i;for(;i=re.exec(e);){let{0:s,groups:{groupN:a,enclosedT:u,qT:c,intervalQ:p,incompleteT:g}}=i;s==="["?(r++,t=f.CHAR_CLASS,n=d.DEFAULT):s==="]"&&t===f.CHAR_CLASS?(r&&r--,r||(t=f.DEFAULT),n=d.DEFAULT):t===f.CHAR_CLASS?g?n=d.INVALID_INCOMPLETE_TOKEN:s==="-"?n=d.RANGE:u?n=d.ENCLOSED_TOKEN:c?n=d.Q_TOKEN:(s==="}"&&(n===d.ENCLOSED_TOKEN||n===d.Q_TOKEN)||n===d.INVALID_INCOMPLETE_TOKEN||n===d.RANGE)&&(n=d.DEFAULT):g?t=f.INVALID_INCOMPLETE_TOKEN:a?t=f.GROUP_NAME:u?t=f.ENCLOSED_TOKEN:p?t=f.INTERVAL_QUANTIFIER:(s===">"&&t===f.GROUP_NAME||s==="}"&&(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 k(e,O,()=>t++,E.DEFAULT),t}function ae(e,t){return N(e,String.raw`\\(?<num>[1-9]\d*)`,({groups:{num:n}})=>`\\${+n+t}`,E.DEFAULT)}var De=["Basic_Emoji","Emoji_Keycap_Sequence","RGI_Emoji_Modifier_Sequence","RGI_Emoji_Flag_Sequence","RGI_Emoji_Tag_Sequence","RGI_Emoji_ZWJ_Sequence","RGI_Emoji"].join("|"),Re=new RegExp(String.raw`
\\(?: c[A-Za-z]
| p\{(?<pStrProp>${Re})\}
| p\{(?<pStrProp>${De})\}
| [pP]\{[^\}]+\}

@@ -27,8 +27,8 @@ | (?<qStrProp>q)

| .
`.replace(/\s+/g,""),"gsu");function z(e){let t=!1,n;for(let{0:r,groups:o}of e.matchAll(De)){if(o.pStrProp||o.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 ue(e,t,n,r){let o={raw:[]},i=[],s;return e.raw.forEach((a,u)=>{let c=n(a,{...s,lastPos:0},r);if(o.raw.push(c.transformed),s=c.runningContext,u<e.raw.length-1){let p=t[u];if(p instanceof $){let g=n(p,{...s,lastPos:0},r);i.push(V(g.transformed)),s=g.runningContext}else i.push(p)}}),{template:o,substitutions:i}}var Ue=new RegExp(String.raw`
${R}
`.replace(/\s+/g,""),"gsu");function z(e){let t=!1,n;for(let{0:r,groups:o}of e.matchAll(Re)){if(o.pStrProp||o.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 ue(e,t,n,r){let o={raw:[]},i=[],s;return e.raw.forEach((a,u)=>{let c=n(a,{...s,lastPos:0},r);if(o.raw.push(c.transformed),s=c.runningContext,u<e.raw.length-1){let p=t[u];if(p instanceof $){let g=n(p,{...s,lastPos:0},r);i.push(V(g.transformed)),s=g.runningContext}else i.push(p)}}),{template:o,substitutions:i}}var Ue=new RegExp(String.raw`
${D}
| \(\?<
| (?<backrefNum>\\[1-9]\d*)
| \\?.
`.replace(/\s+/g,""),"gsu");function le(e,t){e=String(e);let n="",r="";for(let{0:o,groups:{backrefNum:i}}of e.matchAll(Ue)){n+=o,t=D(n,t);let{regexContext:s}=t;if(s===f.DEFAULT)if(o==="(")r+="(?:";else{if(i)throw new Error(`Invalid decimal escape "${o}" with implicit flag n; replace with named backreference`);r+=o}else r+=o}return{transformed:r,runningContext:t}}var ce=/^\s$/,Fe=/^\\[\s#]$/,Z=/^[ \t]$/,Pe=/^\\[ \t]$/,ke=new RegExp(String.raw`
`.replace(/\s+/g,""),"gsu");function le(e,t){e=String(e);let n="",r="";for(let{0:o,groups:{backrefNum:i}}of e.matchAll(Ue)){n+=o,t=R(n,t);let{regexContext:s}=t;if(s===f.DEFAULT)if(o==="(")r+="(?:";else{if(i)throw new Error(`Invalid decimal escape "${o}" with implicit flag n; replace with named backreference`);r+=o}else r+=o}return{transformed:r,runningContext:t}}var ce=/^\s$/,Fe=/^\\[\s#]$/,Z=/^[ \t]$/,Pe=/^\\[ \t]$/,ke=new RegExp(String.raw`
\\(?: [gk]<

@@ -42,3 +42,3 @@ | [pPu]\{

| \[\^
| ${R}
| ${D}
| \(\?<

@@ -49,3 +49,3 @@ | (?<dp>[${b}])\k<dp>

`.replace(/\s+/g,""),"gsu");function fe(e,t,n){e=String(e);let r=!1,o=!1,i=!1,s="",a="",u="",c="",p=!1,g=(l,{prefix:m=!0,postfix:A=!1}={})=>(l=(p&&m?"(?:)":"")+l+(A?"(?:)":""),p=!1,l);for(let{0:l,index:m}of e.matchAll(ke)){if(i){l===`
`&&(i=!1,p=!0);continue}if(r){if(ce.test(l))continue;r=!1,p=!0}else if(o){if(Z.test(l))continue;o=!1}s+=l,t=D(s,t);let{regexContext:A,charClassContext:h}=t;if(l==="-"&&A===f.CHAR_CLASS&&c===d.RANGE&&(n.unicodeSetsPlugin||n.flags.includes("v")))throw new Error("Invalid unescaped hyphen as the end value for a range");if(A===f.DEFAULT&&/^(?:[?*+]|\?\?)$/.test(l)||A===f.INTERVAL_QUANTIFIER&&l==="{")a+=g(l,{prefix:!1,postfix:u==="("&&l==="?"});else if(A===f.DEFAULT)ce.test(l)?r=!0:l.startsWith("#")?i=!0:Fe.test(l)?a+=g(l[1],{prefix:!1}):a+=g(l);else if(A===f.CHAR_CLASS&&l!=="["&&l!=="[^")if(Z.test(l)&&(h===d.DEFAULT||h===d.RANGE||h===d.Q_TOKEN))o=!0;else{if(h===d.INVALID_INCOMPLETE_TOKEN)throw new Error(`Invalid incomplete token in character class: "${l}"`);if(Pe.test(l)&&(h===d.DEFAULT||h===d.Q_TOKEN))a+=g(l[1],{prefix:!1});else if(h===d.DEFAULT){let T=e[m+1]??"",S=G(l);(Z.test(T)||l==="^")&&(S=j(S)),a+=g(S)}else a+=g(l)}else a+=g(l);r||o||i||(u=l,c=h)}return{transformed:a,runningContext:t}}function pe(e){let t=String.raw`\(\?:\)`;e=N(e,`(?:${t}){2,}`,"(?:)",E.DEFAULT);let n=C.replace(/\$/g,"\\$");return e=N(e,String.raw`(?:${t}(?=[)|.[$\\]|\((?!DEFINE)|$)|(?<=[()|.\]^>]|\\[bBdDfnrsStvwW]|\(\?(?:[:=!]|<[=!])|^)${t}(?![?*+{]))(?!${n})`,"",E.DEFAULT),e}var Ee=new RegExp(String.raw`(?<noncapturingStart>${R})|(?<capturingStart>\((?:\?<[^>]+>)?)|\\?.`,"gsu");function de(e,t){if(!/\(\?>/.test(e))return e;let n="(?>",r=`(?:(?=(${t.useEmulationGroups?C:""}`,o=[0],i=0,s=0,a=NaN,u;do{u=!1;let c=0,p=0,g=!1,l;for(Ee.lastIndex=Number.isNaN(a)?0:a+r.length;l=Ee.exec(e);){let{0:m,index:A,groups:{capturingStart:h,noncapturingStart:T}}=l;if(m==="[")c++;else if(c)m==="]"&&c--;else if(m===n&&!g)a=A,g=!0;else if(g&&T)p++;else if(h)g?p++:(i++,o.push(i+s));else if(m===")"&&g){if(!p){s++,e=`${e.slice(0,a)}${r}${e.slice(a+n.length,A)}))<$$${s+i}>)${e.slice(A+1)}`,u=!0;break}p--}}}while(u);return e=N(e,String.raw`\\(?<backrefNum>[1-9]\d*)|<\$\$(?<wrappedBackrefNum>\d+)>`,({0:c,groups:{backrefNum:p,wrappedBackrefNum:g}})=>{if(p){let l=+p;if(l>o.length-1)throw new Error(`Backref "${c}" greater than number of captures`);return`\\${o[l]}`}return`\\${g}`},E.DEFAULT),e}var ge=String.raw`(?:[?*+]|\{\d+(?:,\d*)?\})`,xe=new RegExp(String.raw`
`&&(i=!1,p=!0);continue}if(r){if(ce.test(l))continue;r=!1,p=!0}else if(o){if(Z.test(l))continue;o=!1}s+=l,t=R(s,t);let{regexContext:A,charClassContext:h}=t;if(l==="-"&&A===f.CHAR_CLASS&&c===d.RANGE&&(n.flags.includes("v")||n.unicodeSetsPlugin))throw new Error("Invalid unescaped hyphen as the end value for a range");if(A===f.DEFAULT&&/^(?:[?*+]|\?\?)$/.test(l)||A===f.INTERVAL_QUANTIFIER&&l==="{")a+=g(l,{prefix:!1,postfix:u==="("&&l==="?"});else if(A===f.DEFAULT)ce.test(l)?r=!0:l.startsWith("#")?i=!0:Fe.test(l)?a+=g(l[1],{prefix:!1}):a+=g(l);else if(A===f.CHAR_CLASS&&l!=="["&&l!=="[^")if(Z.test(l)&&(h===d.DEFAULT||h===d.RANGE||h===d.Q_TOKEN))o=!0;else{if(h===d.INVALID_INCOMPLETE_TOKEN)throw new Error(`Invalid incomplete token in character class: "${l}"`);if(Pe.test(l)&&(h===d.DEFAULT||h===d.Q_TOKEN))a+=g(l[1],{prefix:!1});else if(h===d.DEFAULT){let T=e[m+1]??"",S=G(l);(Z.test(T)||l==="^")&&(S=j(S)),a+=g(S)}else a+=g(l)}else a+=g(l);r||o||i||(u=l,c=h)}return{transformed:a,runningContext:t}}function pe(e){let t=String.raw`\(\?:\)`;e=N(e,`(?:${t}){2,}`,"(?:)",E.DEFAULT);let n=C.replace(/\$/g,"\\$");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 de(e,t){if(!/\(\?>/.test(e))return e;let n="(?>",r=`(?:(?=(${t.useEmulationGroups?C:""}`,o=[0],i=0,s=0,a=NaN,u;do{u=!1;let c=0,p=0,g=!1,l;for(Ee.lastIndex=Number.isNaN(a)?0:a+r.length;l=Ee.exec(e);){let{0:m,index:A,groups:{capturingStart:h,noncapturingStart:T}}=l;if(m==="[")c++;else if(c)m==="]"&&c--;else if(m===n&&!g)a=A,g=!0;else if(g&&T)p++;else if(h)g?p++:(i++,o.push(i+s));else if(m===")"&&g){if(!p){s++,e=`${e.slice(0,a)}${r}${e.slice(a+n.length,A)}))<$$${s+i}>)${e.slice(A+1)}`,u=!0;break}p--}}}while(u);return e=N(e,String.raw`\\(?<backrefNum>[1-9]\d*)|<\$\$(?<wrappedBackrefNum>\d+)>`,({0:c,groups:{backrefNum:p,wrappedBackrefNum:g}})=>{if(p){let l=+p;if(l>o.length-1)throw new Error(`Backref "${c}" greater than number of captures`);return`\\${o[l]}`}return`\\${g}`},E.DEFAULT),e}var ge=String.raw`(?:[?*+]|\{\d+(?:,\d*)?\})`,xe=new RegExp(String.raw`
\\(?: \d+

@@ -79,3 +79,3 @@ | c[A-Za-z]

| \\?.
`.replace(/\s+/g,""),"gsu");function we(e){let t='Invalid unescaped "-" in character class',n=!1,r="";for(let{0:o,groups:{dp:i,vOnlyEscape:s}}of e.matchAll(Qe)){if(o[0]==="["){if(n)throw new Error("Invalid nested character class when flag v not supported; possibly from interpolation");if(o.endsWith("-"))throw new Error(t);n=!0}else if(o.endsWith("]")){if(o[0]==="-")throw new Error(t);n=!1}else if(n){if(o==="&&"||o==="--")throw new Error(`Invalid set operator "${o}" when flag v not supported`);if(i)throw new Error(`Invalid double punctuator "${o}", reserved by flag v`);if("(){}/|".includes(o))throw new Error(`Invalid unescaped "${o}" in character class`);if(s){r+=s;continue}}r+=o}return r}var je=(e,...t)=>{if(Array.isArray(e?.raw))return ee({},e,...t);if((typeof e=="string"||e===void 0)&&!t.length)return ee.bind(null,{flags:e??""});if({}.toString.call(e)==="[object Object]"&&!t.length)return ee.bind(null,e);throw new Error(`Unexpected arguments: ${JSON.stringify([e,...t])}`)},ee=(e,t,...n)=>{let r=Se(e),o=Te(t,n,r),i=0,s="",a;if(o.template.raw.forEach((u,c)=>{let p=!!(o.template.raw[c]||o.template.raw[c+1]);i+=U(u),s+=G(u,E.CHAR_CLASS),a=D(s,a);let{regexContext:g,charClassContext:l}=a;if(c<o.template.raw.length-1){let m=o.substitutions[c];s+=He(m,r.flags,g,l,p,i),m instanceof RegExp?i+=U(m.source):m instanceof $&&(i+=U(String(m)))}}),s=$e(s,r),r.subclass){let u=Be(s);return new te(u.expression,r.flags,{captureMap:u.captureMap})}return new RegExp(s,r.flags)};function qe(e,t={}){let n=Se(t);if(n.subclass)throw new Error("Cannot use option subclass");return e===void 0&&(e=""),{expression:$e(Te({raw:[e]},[],n).template.raw[0],n),flags:n.flags}}function Se(e){let t={flags:"",subclass:!1,plugins:[],unicodeSetsPlugin:we,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",t}function Te(e,t,n){let r=[];n.disable.x||r.push(fe),n.disable.n||r.push(le);for(let o of r)({template:e,substitutions:t}=ue(e,t,o,n));return{template:e,substitutions:t}}function $e(e,t){let{flags:n,plugins:r,unicodeSetsPlugin:o,disable:i,subclass:s}=t;return[...r,...i.subroutines?[]:[Ne],...i.atomic?[]:[me,de],...i.x?[]:[pe],...!o||n.includes("v")?[]:[o]].forEach(a=>e=a(e,{flags:n,useEmulationGroups:s})),e}var te=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 o=1;o<r.length;o++)this.#e[o]&&n.push(r[o]);return n}};function He(e,t,n,r,o,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===d.INVALID_INCOMPLETE_TOKEN)throw new Error("Interpolation preceded by invalid incomplete token");let s=e instanceof $,a="";if(!(e instanceof RegExp)){e=String(e),s||(a=B(e,n===f.CHAR_CLASS?E.CHAR_CLASS:E.DEFAULT));let u=ie(a||e,n,r);if(u)throw new Error(`Unescaped stray "${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===d.ENCLOSED_TOKEN||r===d.Q_TOKEN)return s?String(e):a;if(n===f.CHAR_CLASS){if(s){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=se(j(e));return z(e)?`[${u}]`:G(u)}return z(a)?`[${a}]`:a}if(e instanceof RegExp){let u=We(e,t),c=ae(u.value,i);return u.usedModifier?c:`(?:${c})`}return s?`(?:${e})`:o?`(?:${a})`:a}function We(e,t){let n={i:null,m:null,s:null},r="\\n\\r\\u2028\\u2029",o=e.source;if(e.ignoreCase!==t.includes("i"))if(x)n.i=e.ignoreCase;else throw new Error("Pattern modifiers not supported, so flag i on the outer and interpolated regex must match");if(e.dotAll!==t.includes("s")&&(x?n.s=e.dotAll:o=N(o,"\\.",e.dotAll?"[^]":`[^${r}]`,E.DEFAULT)),e.multiline!==t.includes("m")&&(x?n.m=e.multiline:(o=N(o,"\\^",e.multiline?`(?<=^|[${r}])`:"(?<![^])",E.DEFAULT),o=N(o,"\\$",e.multiline?`(?=$|[${r}])`:"(?![^])",E.DEFAULT))),x){let i=Object.keys(n),s=i.filter(u=>n[u]===!0).join(""),a=i.filter(u=>n[u]===!1).join("");if(a&&(s+=`-${a}`),s)return{value:`(?${s}:${o})`,usedModifier:!0}}return{value:o}}function Be(e){let t=C.replace(/\$/g,"\\$"),n=[!0];return e=N(e,`(?:${O})(?<mark>${t})?`,({0:r,groups:{mark:o}})=>o?(n.push(!1),r.slice(0,-C.length)):(n.push(!0),r),E.DEFAULT),{captureMap:n,expression:e}}return Oe(ze);})();
`.replace(/\s+/g,""),"gsu");function we(e){let t='Invalid unescaped "-" in character class',n=!1,r="";for(let{0:o,groups:{dp:i,vOnlyEscape:s}}of e.matchAll(Qe)){if(o[0]==="["){if(n)throw new Error("Invalid nested character class when flag v not supported; possibly from interpolation");if(o.endsWith("-"))throw new Error(t);n=!0}else if(o.endsWith("]")){if(o[0]==="-")throw new Error(t);n=!1}else if(n){if(o==="&&"||o==="--")throw new Error(`Invalid set operator "${o}" when flag v not supported`);if(i)throw new Error(`Invalid double punctuator "${o}", reserved by flag v`);if("(){}/|".includes(o))throw new Error(`Invalid unescaped "${o}" in character class`);if(s){r+=s;continue}}r+=o}return r}var je=(e,...t)=>{if(Array.isArray(e?.raw))return ee({},e,...t);if((typeof e=="string"||e===void 0)&&!t.length)return ee.bind(null,{flags:e??""});if({}.toString.call(e)==="[object Object]"&&!t.length)return ee.bind(null,e);throw new Error(`Unexpected arguments: ${JSON.stringify([e,...t])}`)},ee=(e,t,...n)=>{let r=Se(e),o=Te(t,n,r),i=0,s="",a;if(o.template.raw.forEach((u,c)=>{let p=!!(o.template.raw[c]||o.template.raw[c+1]);i+=U(u),s+=G(u,E.CHAR_CLASS),a=R(s,a);let{regexContext:g,charClassContext:l}=a;if(c<o.template.raw.length-1){let m=o.substitutions[c];s+=He(m,r.flags,g,l,p,i),m instanceof RegExp?i+=U(m.source):m instanceof $&&(i+=U(String(m)))}}),s=$e(s,r),r.subclass){let u=Be(s);return new te(u.expression,r.flags,{captureMap:u.captureMap})}return new RegExp(s,r.flags)};function qe(e="",t={}){let n=Se(t);if(n.subclass)throw new Error("Cannot use option subclass");return{expression:$e(Te({raw:[e]},[],n).template.raw[0],n),flags:n.flags}}function Se(e){let t={flags:"",subclass:!1,plugins:[],unicodeSetsPlugin:we,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 Te(e,t,n){let r=[];n.disable.x||r.push(fe),n.disable.n||r.push(le);for(let o of r)({template:e,substitutions:t}=ue(e,t,o,n));return{template:e,substitutions:t}}function $e(e,t){let{flags:n,plugins:r,unicodeSetsPlugin:o,disable:i,subclass:s}=t;return[...r,...i.subroutines?[]:[Ne],...i.atomic?[]:[me,de],...i.x?[]:[pe],...o?[o]:[]].forEach(a=>e=a(e,{flags:n,useEmulationGroups:s})),e}var te=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 o=1;o<r.length;o++)this.#e[o]&&n.push(r[o]);return n}};function He(e,t,n,r,o,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===d.INVALID_INCOMPLETE_TOKEN)throw new Error("Interpolation preceded by invalid incomplete token");let s=e instanceof $,a="";if(!(e instanceof RegExp)){e=String(e),s||(a=B(e,n===f.CHAR_CLASS?E.CHAR_CLASS:E.DEFAULT));let u=ie(a||e,n,r);if(u)throw new Error(`Unescaped stray "${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===d.ENCLOSED_TOKEN||r===d.Q_TOKEN)return s?String(e):a;if(n===f.CHAR_CLASS){if(s){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=se(j(e));return z(e)?`[${u}]`:G(u)}return z(a)?`[${a}]`:a}if(e instanceof RegExp){let u=We(e,t),c=ae(u.value,i);return u.usedModifier?c:`(?:${c})`}return s?`(?:${e})`:o?`(?:${a})`:a}function We(e,t){let n={i:null,m:null,s:null},r="\\n\\r\\u2028\\u2029",o=e.source;if(e.ignoreCase!==t.includes("i"))if(x)n.i=e.ignoreCase;else throw new Error("Pattern modifiers not supported, so flag i on the outer and interpolated regex must match");if(e.dotAll!==t.includes("s")&&(x?n.s=e.dotAll:o=N(o,"\\.",e.dotAll?"[^]":`[^${r}]`,E.DEFAULT)),e.multiline!==t.includes("m")&&(x?n.m=e.multiline:(o=N(o,"\\^",e.multiline?`(?<=^|[${r}])`:"(?<![^])",E.DEFAULT),o=N(o,"\\$",e.multiline?`(?=$|[${r}])`:"(?![^])",E.DEFAULT))),x){let i=Object.keys(n),s=i.filter(u=>n[u]===!0).join(""),a=i.filter(u=>n[u]===!1).join("");if(a&&(s+=`-${a}`),s)return{value:`(?${s}:${o})`,usedModifier:!0}}return{value:o}}function Be(e){let t=C.replace(/\$/g,"\\$"),n=[!0];return e=N(e,`(?:${O})(?<mark>${t})?`,({0:r,groups:{mark:o}})=>o?(n.push(!1),r.slice(0,-C.length)):(n.push(!0),r),E.DEFAULT),{captureMap:n,expression:e}}return Oe(ze);})();
//# sourceMappingURL=regex.min.js.map

2

package.json
{
"name": "regex",
"version": "4.2.1",
"version": "4.3.0",
"description": "Regex template tag with extended syntax, context-aware interpolation, and always-on best practices",

@@ -5,0 +5,0 @@ "author": "Steven Levithan",

8

README.md

@@ -121,3 +121,3 @@ <div align="center">

<script type="module">
import {regex, pattern} from 'https://cdn.jsdelivr.net/npm/regex@4.2.1/+esm';
import {regex, pattern} from 'https://cdn.jsdelivr.net/npm/regex@4.3.0/+esm';
// …

@@ -131,3 +131,3 @@ </script>

```html
<script src="https://cdn.jsdelivr.net/npm/regex@4.2.1/dist/regex.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/regex@4.3.0/dist/regex.min.js"></script>
<script>

@@ -830,6 +830,6 @@ const {regex, pattern} = Regex;

`regex` was crafted by [Steven Levithan](https://github.com/slevithan) and [contributors](https://github.com/slevithan/regex/graphs/contributors), with love for regular expressions and their enthusiasts. Inspiration included [PCRE](https://github.com/PCRE2Project/pcre2), [XRegExp](https://github.com/slevithan/xregexp), and [regexp-make-js](https://github.com/mikesamuel/regexp-make-js).
`regex` was created by [Steven Levithan](https://github.com/slevithan) and [contributors](https://github.com/slevithan/regex/graphs/contributors). Inspiration included [PCRE](https://github.com/PCRE2Project/pcre2), [XRegExp](https://github.com/slevithan/xregexp), and [regexp-make-js](https://github.com/mikesamuel/regexp-make-js).
If you want to support this project, I'd love your help by contributing improvements, sharing it with others, or [sponsoring](https://github.com/sponsors/slevithan) future development.
MIT License.
© 2024–present. MIT License.

4

types/regex.d.ts

@@ -87,3 +87,3 @@ export type InterpolatedValue = string | RegExp | Pattern | number;

*/
export function rewrite(expression: string, options?: RegexTagOptions): {
export function rewrite(expression?: string, options?: RegexTagOptions): {
expression: string;

@@ -104,2 +104,2 @@ flags: string;

}
export { pattern, rewrite as processRegex };
export { pattern };

2

types/utils.d.ts

@@ -11,3 +11,3 @@ /**

/**
Converts `\0` tokens to `\u{0}` in the given context.
Converts `\0` tokens to `\x00` in the given context.
@param {string} str

@@ -14,0 +14,0 @@ @param {'DEFAULT' | 'CHAR_CLASS'} [context] `Context` option from lib `regex-utilities`

dist/regex.cjs

Sorry, the diff of this file is not supported yet

dist/regex.cjs.map

Sorry, the diff of this file is not supported yet

dist/regex.min.js.map

Sorry, the diff of this file is not supported yet

dist/regex.mjs

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dist/regex.mjs.map

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