5个你不知道的JavaScript字符串处理库(小结)

function camelize(str) {
 return str.replace(/(&＃63;:^\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 &＃63; match.toLowerCase() : match.toUpperCase();
 });
}

npm i string

var S = require('string');
S('This is a link').between('', '').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 link.com

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']

"&＃129300;".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, '&＃128169;'); 
// "Everybody loves emojis!&＃128169;&＃128169;&＃128169;"
stringz.limit('What are you looking at&＃63;', 30, '+', 'left'); 
// "++++++What are you looking at&＃63;"

// Unicode Aware:
stringz.limit('&＃129300;&＃129300;&＃129300;', 2); 
// "&＃129300;&＃129300;"
stringz.limit('&＃128077;&＃127997;&＃128077;&＃127997;', 4, '&＃128077;&＃127997;'); 
// "&＃128077;&＃127997;&＃128077;&＃127997;&＃128077;&＃127997;&＃128077;&＃127997;"

const stringz = require('stringz');
stringz.toArray('abc');
// ['a','b','c']
//Unicode aware
stringz.toArray('&＃128077;&＃127997;&＃127814;&＃127790;');
// ['&＃128077;&＃127997;', '&＃127814;', '&＃127790;']