Regex to match 0 - 999 but not blank
- by James Cadd
I'm working on a regex to match valid integer numbers such as the following:
0
1
99
999
However it should not allow matching an empty string. The closest I can get is:
(0)|\\d{1,3}
Which to me says a matching string will have either a zero or a series of digits between 1 and 3 characters long. However, empty strings still appear to match this pattern. What's the proper way to exclude empty strings from this regex?
