Validate Decimals with Javascript


/ Published in: JavaScript
Save to your folder(s)

Validating a decimal such as a measurement of time or currency (10.5 or 0.4). This function will return the correct number. If you feed in "10.5foo" the function will spit back 10.5. If you feed in "bar" the function will return nothing.


Copy this code and paste it in your HTML
  1. function valNum(inNum {
  2. var RegEx = /[0-9]{1,8}\.?[0-9]{0,2}/;
  3. var ValidNumber = inNum.match(RegEx);
  4. return ValidNumber;
  5. }

Report this snippet


Comments

RSS Icon Subscribe to comments

You need to login to post a comment.