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Editorial Team
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Asked: 2026-06-09T23:06:09+00:00

I’m trying to check for a valid time value it can be anything between

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I’m trying to check for a valid time value it can be anything between 00 hours 00 Mins and 00 secs and 23 hours 59min and 59 secs.

I want it to check that it matches exactly HH:MM:SS with 0 being used if there no information for part not sure if I am explain this well so an example would be.

If the time was 23 mins and 5 secs it would be
00:23:05 and reject 23:05

The expression I think is right is 

^(?:(?:([01]\d|2[0-3]):)([0-5]\d):)([0-5]\d)$

I am using jQuery but as far as I know there no easy way to validate time.

Am I correct?

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1 Answer

  1. Editorial Team

    That looks okay to me, but if you’re just validating, it would be easier not to use grouping constructs when you don’t need to, which would leave something like:

    ^([01]\d|2[0-3]):[0-5]\d:[0-5]\d$

    That only uses grouping for the alternation operator, which makes it much easier to read, IMO.

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