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30-seconds-of-code/snippets/js/s/clone-reg-exp.md
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Clone RegExp snippet javascript
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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