Regular Expression for an alphanumeric string and of 12 characters long

Question

0.00/5 (No votes)

See more:

Hi team,
I am validating an text box in asp.net in such a way that:
1.String should be alpha-numeric.
2.String should be of 12 characters long.

I have a very weak concept of regular Expression in ASP.net.
Please help me to get that expression. and help me to learn that in an easy way.

Posted 23-Nov-13 18:48pm

Dinesh92

Add a Solution

2 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

OriginalGriff · Answer 1 · 2013-11-23T21:01:00

Solution 1

Try:

\w{12}

Posted 23-Nov-13 21:01pm

OriginalGriff

Dinesh92 · Answer 2 · 2013-11-23T21:16:00

Solution 2

This works for me

^[a-zA-Z0-9]{12}

Posted 23-Nov-13 21:16pm

Dinesh92