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/
^
r
e
g
e
x
[
\
-
_
]
?
1
0
1
$
/
i
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ular
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pressions
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Match
Created 2022-05-16 07:44
0
Regular Expression
/
^
(?:
3
[
01
]
|
[
12
]
[
0
-
9
]
|
0
?
[
1
-
9
]
)(
[
\-
/.
]
)(
0
?
[
1
-
9
]
|
1
[
1
-
2
]
)
\1
\d
{4}
$
/
gm
Description
^(?:3[01]|[12][0-9]|0?[1-9])([-/.])(0?[1-9]|1[1-2])\1\d{4}$
Submitted by
Anonymous