javascript escape regex

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Asher
25 Aug 2016
1// Vanilla JS
2function escapeRegex(string) {
3  return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
4}
5
6// Or with npm: npm install escape-string-regexp
7const escapeRegex = require('escape-string-regexp');
8
9// Usage:
10const regex = new RegExp(escapeRegex('How much $ is that?'));
source
Ayoub
25 Aug 2016
1function escapeRegExp(input) {
2	const source = typeof input === 'string' || input instanceof String ? input : '';
3	return source.replace(/[-[/\]{}()*+?.,\\^$|#\s]/g, '\\$&');
4}
5
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