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- var escape = require('./escape');
- var keys = require('./keys');
- var invert = require('./invert');
- exports = function(str) {
- return regTest.test(str) ? str.replace(regReplace, replaceFn) : str;
- };
- var map = invert(escape.map);
- var regSrc = '(?:' + keys(map).join('|') + ')';
- var regTest = new RegExp(regSrc);
- var regReplace = new RegExp(regSrc, 'g');
- function replaceFn(match) {
- return map[match];
- }
- module.exports = exports;
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