How to validate numeric string

[Peter Afonin]

Hello,

Should be a pretty simple question:

I need to validate a string. It must be numeric and contain exactly 12
characters. I know how to do it in code, but I'd like to use a validation
control. Should I use a Regular expression validator? What expression should
I use? I checked http://www.regxlib.com, but couldn't find exactly what I
need.

I would appreciate your help.

Thank you,

 

[Matt Berther]

Hello Peter,

Try

\d{12}

This should require exactly 12 numeric characters...

 

[Scott M.]

Use a RegularExpression Validator. You didn't tell us what your numeric
format is though, so we can't suggest a pattern.

 

[Peter Afonin]

Thank you, Scott.

Any numbers, exactly 12 digits: 273861129372, for example. No other
characters, like "." or "," or "-".

Peter

Use a RegularExpression Validator. You didn't tell us what your numeric
format is though, so we can't suggest a pattern.

 

[Scott M.]

\d{12}

Thank you, Scott.

Any numbers, exactly 12 digits: 273861129372, for example. No other
characters, like "." or "," or "-".

Peter

 

[Scott Mitchell [MVP]]

Also remember that the RegularExpressionValidator does not *require*
that a value be present, so if you want to force this you must, in
addition, use a RequiredFieldValidator.

\d{12}

--

Scott Mitchell
(e-mail address removed)
http://www.4GuysFromRolla.com

* When you think ASP.NET, think 4GuysFromRolla.com!

 

[Peter Afonin]

Thank you very much, Scott. I remember this.

Peter