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Asked: 2026-05-21T09:59:51+00:00

I’m working on a registration script for my client’s product sales website. I’m currently

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I’m working on a registration script for my client’s product sales website.

I’m currently working on a reference ID input area, and I want to make sure that the reference ID is within the correct parameters of the payment method

The Reference ID will look something like this: XXXXX-XXXXX-XXXXX

I’m trying to use this RegEx pattern to match it: /(\w+){5}-(\w+){5}-(\w+){5}/

This matches it perfectly, but it also matches XXXXX-XXXXX-XXXXXXXXXX

Or at least it finds a match in there. I want it to make sure the entire string matches. I’m not too familiar with RegEx

How can I do this?

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1 Answer

  1. Editorial Team

    You need to use start and finish anchors. Alternatively, if you don’t need to capture those groups, you can omit the parenthesis.

    Also, the +{5} means match more than once exactly 5 times. I believe you didn’t want that so I dropped the +.

    /^\w{5}-\w{5}-\w{5}\z/

    Also, I used \z so your string doesn’t match "abcde-12345-edcba\n".

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