validating only time in asp.net

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Hi All,

I have time in 24 hours format like

11:25 and 14:24 etc .Now I have to validate these input values in textboxes.

Please help me how to validate it.

Thanking You
Mohd Wasif

Posted 9-May-11 20:37pm

Mohd Wasif

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Ashishmau · Answer 1 · 2011-05-09T20:39:00

Solution 1

see this link

http://www.mkyong.com/regular-expressions/how-to-validate-time-in-24-hours-format-with-regular-expression/[^]

http://www.regxlib.com/DisplayPatterns.aspx?cattabindex=4&categoryId=5[^]

Posted 9-May-11 20:39pm

Ashishmau

Sandeep Mewara · Answer 2 · 2011-05-09T20:41:00

Solution 2

One of the ways would be to use Regular expressions.

Try:

~~use regex: [0-2][0-9]\:[0-6][0-9]\:[0-5][0-9]~~

use regex: ([01]?[0-9]|2[0-3]):[0-5][0-9]

You can use it in JavaScript or code-behind as per your need.

Look here[^] for more.

Posted 9-May-11 20:41pm

Sandeep Mewara

Updated 9-May-11 21:03pm

v4

Comments

Ankur^\m/ 10-May-11 2:46am

That isn't 100% correct Sandeep. It will accept 28:69:59 (many such invalid combinations) which is wrong.

Sandeep Mewara 10-May-11 3:01am

:doh:

Ankur^\m/ 10-May-11 3:06am

:confused:

Sandeep Mewara 10-May-11 3:07am

:doh: was for myself! I missed that. Thanks for pointing it out. Corrected it.

Ankur^\m/ 10-May-11 3:18am

You still missed the seconds part. Add onemore :[0-5][0-9]
:)