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cloneRegExp javascript Code Snippet in 2024

typeintermediate

Last Updated: 19 May 2024

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

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