strnum

strnum

Parse string into Number based on configuration

Users

Many React Native projects and plugins

Usage

npm install strnum

const toNumber = require("strnum");

toNumber(undefined) // undefined
toNumber(null)) //null
toNumber("")) // ""
toNumber("string"); //"string")
toNumber("12,12"); //"12,12")
toNumber("12 12"); //"12 12")
toNumber("12-12"); //"12-12")
toNumber("12.12.12"); //"12.12.12")
toNumber("0x2f"); //47)
toNumber("-0x2f"); //-47)
toNumber("0x2f", { hex :  true}); //47)
toNumber("-0x2f", { hex :  true}); //-47)
toNumber("0x2f", { hex :  false}); //"0x2f")
toNumber("-0x2f", { hex :  false}); //"-0x2f")
toNumber("06"); //6)
toNumber("06", { leadingZeros :  true}); //6)
toNumber("06", { leadingZeros :  false}); //"06")

toNumber("006"); //6)
toNumber("006", { leadingZeros :  true}); //6)
toNumber("006", { leadingZeros :  false}); //"006")
toNumber("0.0"); //0)
toNumber("00.00"); //0)
toNumber("0.06"); //0.06)
toNumber("00.6"); //0.6)
toNumber(".006"); //0.006)
toNumber("6.0"); //6)
toNumber("06.0"); //6)

toNumber("0.0",  { leadingZeros :  false}); //0)
toNumber("00.00",  { leadingZeros :  false}); //"00.00")
toNumber("0.06",  { leadingZeros :  false}); //0.06)
toNumber("00.6",  { leadingZeros :  false}); //"00.6")
toNumber(".006", { leadingZeros :  false}); //0.006)
toNumber("6.0"  ,  { leadingZeros :  false}); //6)
toNumber("06.0"  ,  { leadingZeros :  false}); //"06.0")
toNumber("-06"); //-6)
toNumber("-06", { leadingZeros :  true}); //-6)
toNumber("-06", { leadingZeros :  false}); //"-06")

toNumber("-0.0"); //-0)
toNumber("-00.00"); //-0)
toNumber("-0.06"); //-0.06)
toNumber("-00.6"); //-0.6)
toNumber("-.006"); //-0.006)
toNumber("-6.0"); //-6)
toNumber("-06.0"); //-6)

toNumber("-0.0"   ,  { leadingZeros :  false}); //-0)
toNumber("-00.00",  { leadingZeros :  false}); //"-00.00")
toNumber("-0.06",  { leadingZeros :  false}); //-0.06)
toNumber("-00.6",  { leadingZeros :  false}); //"-00.6")
toNumber("-.006",  {leadingZeros :  false}); //-0.006)
toNumber("-6.0"  ,  { leadingZeros :  false}); //-6)
toNumber("-06.0"  ,  { leadingZeros :  false}); //"-06.0")
toNumber("420926189200190257681175017717")  ; //4.209261892001902e+29)
toNumber("000000000000000000000000017717"  ,  { leadingZeros :  false}); //"000000000000000000000000017717")
toNumber("000000000000000000000000017717"  ,  { leadingZeros :  true}); //17717)
toNumber("01.0e2"  ,  { leadingZeros :  false}); //"01.0e2")
toNumber("-01.0e2"  ,  { leadingZeros :  false}); //"-01.0e2")
toNumber("01.0e2") ; //100)
toNumber("-01.0e2") ; //-100)
toNumber("1.0e2") ; //100)

toNumber("-1.0e2") ; //-100)
toNumber("1.0e-2"); //0.01)

toNumber("[phone]"); // 1212121212
toNumber("[phone]", { skipLike: /\+[0-9]{10}/} )); //"[phone]"

toNumber("１e１000", { unicode: true, infinity: "original" }); //"１e１000"
toNumber("１000", { unicode: true }); //1000
toNumber("１000", { unicode: false }); //"１000"

Supported Options

hex: true,          //when hexadecimal string should be parsed
leadingZeros: true, //when number with leading zeros like 08 should be parsed. 0.0 is not impacted
eNotation: true,    //when number with eNotation or number parsed in eNotation should be considered
skipLike: /regex/   //when string should not be parsed when it matches the specified regular expression
infinity: "original", // "null", "infinity" (Infinity type), "string" ("Infinity" (the string literal))
unicode: false, //when number with unicode numerals should be parsed

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Similar packages

Other packages similar to strnum

number-converter

The number-converter package provides similar functionality for converting strings to numbers, including handling different number formats. It offers additional features like converting numbers to different bases (binary, octal, hexadecimal) which strnum does not support.

numeral

The numeral package is a comprehensive library for formatting and manipulating numbers. While it includes string-to-number conversion, it also offers extensive features for number formatting, currency formatting, and more, making it more versatile than strnum.

bignumber.js

The bignumber.js package is designed for arbitrary-precision arithmetic. It can handle very large and very small numbers, which strnum cannot. It is useful for applications requiring high precision in numerical calculations.