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Simple regular expression!

Jeppe Sommer
Ranch Hand

Joined: Jan 07, 2004
Posts: 270
I want to use regular expression to test if a price (decimal) has the correct format:

Now I�m allowed to type in a positive integer with 2 decimals, i.e. 15.50.

Script:
document.form1.productPrice.value.match(/^\d+(\.\d{2})?$/)

I also want to be able to type in a positive integer with 1 decimal only!

Have can I do that?
Eric Pascarello
author
Rancher

Joined: Nov 08, 2001
Posts: 15376
    
    6
{1,2}
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: Simple regular expression!