1 var toString = require(
'./toString');
7 var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
8 reHasRegExpChar = RegExp(reRegExpChar.source);
25 function escapeRegExp(
string) {
26 string = toString(
string);
27 return (
string && reHasRegExpChar.test(
string))
28 ?
string.replace(reRegExpChar,
'\\$&')
32 module.exports = escapeRegExp;