浅谈JavaScript字符串处理库

function camelize(str) {
 return str.replace(/(?:^\w|[A-Z]|\b\w|\s+)/g, function(match, index) {
  if (+match === 0) return ""; // or if (/\s+/.test(match)) for white spaces
  return index === 0 ? match.toLowerCase() : match.toUpperCase();
 });
}

npm i string

var S = require('string');
S('<a>This is a link</a>').between('<a>', '</a>').s 
// 'This is a link'

var S = require('string');
S('---Foo---bAr---').camelize().s; 
//'fooBar'

var S = require('string');
S('  capitalize dash-CamelCase_underscore trim ').humanize().s 
//'Capitalize dash camel case underscore trim'

var S = require('string');
S('My, st[ring] *full* of %punct)').stripPunctuation().s; 
//My string full of punct

npm i voca

var v = require('voca');
v.camelCase('foo Bar');
// => 'fooBar'

v.camelCase('FooBar');
// => 'fooBar'

v.camelCase('---Foo---bAr---');
// => 'fooBar'

var v = require('voca');
v.latinise('cafe\u0301'); // or 'café'
// => 'cafe'

v.latinise('août décembre');
// => 'aout decembre'

v.latinise('как прекрасен этот мир');
// => 'kak prekrasen etot mir'

var v = require('voca');
v.isAlphaDigit('year2020');
// => true

v.isAlphaDigit('1448');
// => true

v.isAlphaDigit('40-20');
// => false

var v = require('voca');
v.countWords('gravity can cross dimensions');
// => 4

v.countWords('GravityCanCrossDimensions');
// => 4

v.countWords('Gravity - can cross dimensions!');
// => 4

var v = require('voca');
v.escapeRegExp('(hours)[minutes]{seconds}');
// => '\(hours\)\[minutes\]\{seconds\}'

npm i anchorme

import anchorme from "anchorme"; 
// 或者
// var anchorme = require("anchorme").default;
const input = "some text with a link.com"; 
const resultA = anchorme(input);
//some text with a <a href="http://link.com" rel="external nofollow" >link.com</a>

npm install underscore.string

var _ = require("underscore.string");
_.numberFormat(1000, 3)
=> "1,000.000"
_.numberFormat(123456789.123, 5, '.', ',');
=> "123,456,789.12300"

var _ = require("underscore.string");
_.chop('whitespace', 3);
=> ['whi','tes','pac','e']

"🤔".length
// -> 2

npm install stringz

const stringz = require('stringz');
// Truncate:
stringz.limit('Life's like a box of chocolates.', 20); 
// "Life's like a box of"

// Pad:
stringz.limit('Everybody loves emojis!', 26, '💩'); 
// "Everybody loves emojis!💩💩💩"
stringz.limit('What are you looking at?', 30, '+', 'left'); 
// "++++++What are you looking at?"

// Unicode Aware:
stringz.limit('🤔🤔🤔', 2); 
// "🤔🤔"
stringz.limit('👍🏽👍🏽', 4, '👍🏽'); 
// "👍🏽👍🏽👍🏽👍🏽"

const stringz = require('stringz');
stringz.toArray('abc');
// ['a','b','c']
//Unicode aware
stringz.toArray('👍🏽🍆🌮');
// ['👍🏽', '🍆', '🌮']