forked from lix-project/lix-website
33 lines
871 B
JavaScript
33 lines
871 B
JavaScript
|
var toString = require('./toString');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Used to match `RegExp`
|
||
|
|
* [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
|
||
|
|
*/
|
||
|
|
var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
|
||
|
|
reHasRegExpChar = RegExp(reRegExpChar.source);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
|
||
|
|
* "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
|
||
|
|
*
|
||
|
|
* @static
|
||
|
|
* @memberOf _
|
||
|
|
* @since 3.0.0
|
||
|
|
* @category String
|
||
|
|
* @param {string} [string=''] The string to escape.
|
||
|
|
* @returns {string} Returns the escaped string.
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* _.escapeRegExp('[lodash](https://lodash.com/)');
|
||
|
|
* // => '\[lodash\]\(https://lodash\.com/\)'
|
||
|
|
*/
|
||
|
|
function escapeRegExp(string) {
|
||
|
|
string = toString(string);
|
||
|
|
return (string && reHasRegExpChar.test(string))
|
||
|
|
? string.replace(reRegExpChar, '\\$&')
|
||
|
|
: string;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = escapeRegExp;
|