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Community Library Entry
1
Regular Expression
PCRE (PHP <7.3)
/
\$
(
\%
)?
(
(?!
not
[
$
\s
]
)
(?!
contains
[
$
\s
]
)
[
A
-
Z_a
-
z
]
\w
+
)
/
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Description
f
Submitted by
f
-
10 years ago