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30-seconds-of-code/snippets/cloneRegExp.md
Isabelle Viktoria Maciohsek aedcded750 Format snippets
2020-10-22 20:23:47 +03:00

382 B

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cloneRegExp type,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