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Editorial Team
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Asked: 2026-06-17T03:39:48+00:00

I have a simple string like this: image[2] I want to get the number

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I have a simple string like this:

image[2]

I want to get the number between [], in this case have to return 2.

What is a good regular expression to do this in JavaScript? I have tried with substring but I want to apply a regular expression.

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1 Answer

  1. Editorial Team

    You can use

    var num = parseInt(yourString.match(/\[(\d*)\]/)[1], 10);

    This returns 2 as a number.

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