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41 lines
1.4 KiB
JavaScript
41 lines
1.4 KiB
JavaScript
/**
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* lodash 3.0.0 (Custom Build) <https://lodash.com/>
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* Build: `lodash modern modularize exports="npm" -o ./`
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* Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
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* Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
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* Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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* Available under MIT license <https://lodash.com/license>
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*/
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var baseToString = require('lodash._basetostring');
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/**
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* Used to match `RegExp` [special characters](http://www.regular-expressions.info/characters.html#special).
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* In addition to special characters the forward slash is escaped to allow for
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* easier `eval` use and `Function` compilation.
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*/
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var reRegExpChars = /[.*+?^${}()|[\]\/\\]/g,
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reHasRegExpChars = RegExp(reRegExpChars.source);
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/**
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* Escapes the `RegExp` special characters "\", "/", "^", "$", ".", "|", "?",
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* "*", "+", "(", ")", "[", "]", "{" and "}" in `string`.
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*
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* @static
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* @memberOf _
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* @category String
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* @param {string} [string=''] The string to escape.
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* @returns {string} Returns the escaped string.
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* @example
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*
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* _.escapeRegExp('[lodash](https://lodash.com/)');
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* // => '\[lodash\]\(https:\/\/lodash\.com\/\)'
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*/
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function escapeRegExp(string) {
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string = baseToString(string);
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return (string && reHasRegExpChars.test(string))
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? string.replace(reRegExpChars, '\\$&')
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: string;
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}
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module.exports = escapeRegExp;
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