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Community Library Entry
1
Regular Expression
PCRE (PHP <7.3)
/
(?:
^\s
*
[
-+*^
]
|
[
-+*^
]
\s
*
[
-+*^
]
|
[
xX
]
\s
*
[
xX
]
|
[
-+*^
]
\s
*
$
)
/
g
Open regex in editor
Description
easy syntax check for equation
Submitted by
Kerosene2000
-
10 years ago