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Community Library Entry
1
Regular Expression
PCRE (PHP <7.3)
/
(
P
(
[
1
-
9
]
|
[
1
-
9
]
[
0
-
9
]
)
(
W
|
D
|
M
|
H
)
|
PT
(
[
1
-
9
]
|
[
1
-
9
]
[
0
-
9
]
)
H
)
/
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Description
Checks if string is valid DateInterval format
Submitted by
grambas
-
8 years ago