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Asked: 2026-06-17T20:26:22+00:00

I would like to combine these JavaScript regex’s into a single regex. How can

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I would like to combine these JavaScript regex’s into a single regex. How can I do this? I have tried using the ‘|’ operator in-between strings, but this does not work.

var r1 = new RegExp(id + '\\s*===\\s*TRUE', 'gm');
var r2 = new RegExp(id + '\\s*===\\s*true', 'gm');
var r3 = new RegExp(id + '\\s*===\\s*FALSE', 'gm');
var r4 = new RegExp(id + '\\s*===\\s*false', 'gm');
var r5 = new RegExp(id + '\\s*!==\\s*TRUE', 'gm');
var r6 = new RegExp(id + '\\s*!==\\s*true', 'gm');
var r7 = new RegExp(id + '\\s*!==\\s*FALSE', 'gm');
var r8 = new RegExp(id + '\\s*!==\\s*false', 'gm');
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1 Answer

  1. Editorial Team

    In this specific case

    new RegExp(id + '\\s*[!=]==\\s*(?:TRUE|true|false|FALSE)', 'gm')

    should do the trick.

    In the general case, joining the strings with ‘|’ should work.

    @Kolink’s answer is better if you also want to accept ‘fAlSe’ and similar strings.

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