Programming Forums > Application Development > C#

King · Apr 30th, 2006, 8:07 PM

I need to make sure that when someone enters a date into the textbox on my form that it is entered in the correct format (�4/30/2006�). I think using a Regular Expression for this would work, but I can�t get anything I found off the net to work properly. I just need to get it working and don�t care how, so any help would be great, thanks.

King · Apr 30th, 2006, 8:33 PM

I fixed it with a different solution. What I did was just try and convert the textbox text to a DateTime, and if it doesn't throw and error the date is fine.

jim mcnamara · Apr 30th, 2006, 9:41 PM

Consider using regexp - C# (All of .NET) supports it. It's far more robust than creating a deliberate error/no error condition - if all you're interested in is correct format.

See: http://regexlib.com/

It's a reference for tested regexes - cook book style.

Apr 30th, 2006, 8:07 PM	#1
King Professional Programmer Join Date: Jan 2006 Location: Ontario, Canada Posts: 376 Rep Power: 0	Date Regular Expression I need to make sure that when someone enters a date into the textbox on my form that it is entered in the correct format (�4/30/2006�). I think using a Regular Expression for this would work, but I can�t get anything I found off the net to work properly. I just need to get it working and don�t care how, so any help would be great, thanks. __________________ I am Addicted to Linux!

Apr 30th, 2006, 8:33 PM	#2
King Professional Programmer Join Date: Jan 2006 Location: Ontario, Canada Posts: 376 Rep Power: 0	I fixed it with a different solution. What I did was just try and convert the textbox text to a DateTime, and if it doesn't throw and error the date is fine. __________________ I am Addicted to Linux!

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Apr 30th, 2006, 9:41 PM	#3
jim mcnamara Hobbyist Programmer Join Date: Jun 2005 Location: New Mexico Posts: 228 Rep Power: 4	Consider using regexp - C# (All of .NET) supports it. It's far more robust than creating a deliberate error/no error condition - if all you're interested in is correct format. See: http://regexlib.com/ It's a reference for tested regexes - cook book style.

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Programming Forums > Application Development > C#

Date Regular Expression