wiki/content/20201104101924-javascript_regexp_exec_method.md

date	id	title
20201104	879b1425-8e59-4a5b-a2d8-08838e193b88	JavaScript RegExp Exec Method

exec¹ returns null if no match was found or an object with information about the match otherwise:

let match = /\d+/.exec("one two 100");
console.log(match);
console.log(match.index);

See also

• match

Footnotes

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1. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/exec ↩︎