30-seconds-of-code/snippets/js/s/clone-reg-exp.md

title, type, language, tags, cover, dateModified

title	type	language	tags	cover	dateModified
Clone RegExp	snippet	javascript	type	tomatoes	2020-10-22T20:23:47+03:00

Clones a regular expression.

• Use the RegExp constructor, RegExp.prototype.source and RegExp.prototype.flags to clone the given regular expression.

const cloneRegExp = regExp => new RegExp(regExp.source, regExp.flags);

const regExp = /lorem ipsum/gi;
const regExp2 = cloneRegExp(regExp); // regExp !== regExp2