Regular expression for text box to contain whole number and decimal number

Question

0.00/5 (No votes)

See more:

Hi
I need a regular field expression which should allow only whole number and decimal number example I can allow the user to enter values like 5,0.5 and not 0.25 or 0.75
how to do it

Posted 31-Jan-12 19:00pm

Shashwath7

Add a Solution

Comments

jai000 1-Feb-12 1:06am

Are you working on windows based application?

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)

Tanzy123 · Answer 1 · 2012-01-31T19:15:00

Solution 2

This will do

CSS

^\d*\.?\d*$ ^\d*\.?\d*$

Posted 31-Jan-12 19:15pm

Tanzy123

Abhinav S · Answer 2 · 2012-01-31T19:06:00

Solution 1

Try ^(?:[-+]?[1-9]\d*|0)?(?:\.\d+)?$.

Posted 31-Jan-12 19:06pm

Abhinav S