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30-seconds-of-code/snippets/cloneRegExp.md
Isabelle Viktoria Maciohsek acdbdd0ccb Re-tag string snippets
2020-10-18 19:50:38 +03:00

369 B

title, tags
title tags
cloneRegExp type,regexp,intermediate

Clones a regular expression.

  • Use new RegExp(), RegExp.source and RegExp.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