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/
^
r
e
g
e
x
[
\
-
_
]
?
1
0
1
$
/
i
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ular
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Capture if pattern NOT found
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PCRE (Legacy)
Match
Created 2015-09-25 13:08
1
Regular Expression
/
^
(
(?:
(?!
PATTERN
)
.
)*
)
$
/
Description
Capture the input if the pattern is NOT found
Submitted by
Byron Jones