Regex: how to only allow integers greater than zero

Question

I have tried the following to only allow integers in my text box, this works great but it allows a zero in there. Is there anything else I can add to prevent a zero being ad

Answer 1

Code:

^([1-9][0-9]+|[1-9])$

Example: http://regexr.com/3annd

Tested with:

0
10
01
11
00
1
100