30-seconds-of-code/snippets/cloneRegExp.md

title, tags

title	tags
cloneRegExp	regexp,intermediate

Clones a regular expression.

• Use new RegExp(), 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