odin-javascript-exercises/node_modules/lodash/_cloneRegExp.js
2017-12-15 12:56:14 -06:00

17 lines
439 B
JavaScript

/** Used to match `RegExp` flags from their coerced string values. */
var reFlags = /\w*$/;
/**
* Creates a clone of `regexp`.
*
* @private
* @param {Object} regexp The regexp to clone.
* @returns {Object} Returns the cloned regexp.
*/
function cloneRegExp(regexp) {
var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
result.lastIndex = regexp.lastIndex;
return result;
}
module.exports = cloneRegExp;