Regex for Positive integer
Matches a positive whole number with no leading zero.
^[1-9]\d*$
Proof it works
| Sample | Should match | Result |
|---|---|---|
42 |
yes | pass |
1000 |
yes | pass |
0 |
no | pass |
-5 |
no | pass |
01 |
no | pass |
Matches a positive whole number with no leading zero.
^[1-9]\d*$
| Sample | Should match | Result |
|---|---|---|
42 |
yes | pass |
1000 |
yes | pass |
0 |
no | pass |
-5 |
no | pass |
01 |
no | pass |