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Community Library Entry
1
Regular Expression
PCRE (PHP <7.3)
/
^
(
[
1
-
9
]
)
(?!
\1
)
(
[
0
-
9
]
)
(?!
\1
|
\2
)
(
[
0
-
9
]
)
(?!
\1
|
\2
|
\3
)
(
[
0
-
9
]
)
$
/
gm
Open regex in editor
Description
no description available
Submitted by
anonymous
-
10 years ago