1 var toString = require('./toString'),
2 unescapeHtmlChar = require('./_unescapeHtmlChar');
4 /** Used to match HTML entities and HTML characters. */
5 var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
6 reHasEscapedHtml = RegExp(reEscapedHtml.source);
9 * The inverse of `_.escape`; this method converts the HTML entities
10 * `&`, `<`, `>`, `"`, and `'` in `string` to
11 * their corresponding characters.
13 * **Note:** No other HTML entities are unescaped. To unescape additional
14 * HTML entities use a third-party library like [_he_](https://mths.be/he).
20 * @param {string} [string=''] The string to unescape.
21 * @returns {string} Returns the unescaped string.
24 * _.unescape('fred, barney, & pebbles');
25 * // => 'fred, barney, & pebbles'
27 function unescape(string) {
28 string = toString(string);
29 return (string && reHasEscapedHtml.test(string))
30 ? string.replace(reEscapedHtml, unescapeHtmlChar)
34 module.exports = unescape;