'use strict';
-var matchOperatorsRe = /[|\\{}()[\]^$+*?.]/g;
-
-module.exports = function (str) {
- if (typeof str !== 'string') {
+module.exports = string => {
+ if (typeof string !== 'string') {
throw new TypeError('Expected a string');
}
- return str.replace(matchOperatorsRe, '\\$&');
+ // Escape characters with special meaning either inside or outside character sets.
+ // Use a simple backslash escape when it’s always valid, and a \unnnn escape when the simpler form would be disallowed by Unicode patterns’ stricter grammar.
+ return string
+ .replace(/[|\\{}()[\]^$+*?.]/g, '\\$&')
+ .replace(/-/g, '\\x2d');
};