Regex for 4 digit number
Matches a number with exactly 4 digit(s).
^\d{4}$
Proof it works
| Sample | Should match | Result |
|---|---|---|
3074 |
yes | pass |
30741 |
no | pass |
307 |
no | pass |
aaaa |
no | pass |
Matches a number with exactly 4 digit(s).
^\d{4}$
| Sample | Should match | Result |
|---|---|---|
3074 |
yes | pass |
30741 |
no | pass |
307 |
no | pass |
aaaa |
no | pass |