Please enable JavaScript to use this web application.
Regular
Expressions
101
Social
Donate
Info
Regex Editor
Community Patterns
Account
Regex Quiz
Settings
Order By
Most Recent
Highest Score
Lowest Score
Most upvotes
Most downvotes
Filter by Flavor
PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
Python
Golang
Java 8
.NET 7.0 (C#)
Rust
Sponsors
Community Patterns
Search among 12,020 community submitted regex patterns...
24
Cron schedule
Recommended
PCRE (PHP <7.3)
Validate cron lines (even the ones commented out)
Submitted by
anonymous
-
8 years ago
10
best youtube id match ( iframe embed replace ready )
Recommended
PCRE (PHP <7.3)
MATCH ANY YOUTUBE ID author : mi-ca v1.0 – 2017.03.08 This Regex match any youtube url and grab the ID. Embed ready √ --...
Submitted by
mi-ca.ch
-
5 years ago
1
...
599
600
601
PHP ReflectionParameter:__toString() parser
1
Regular Expression
PCRE (PHP <7.3)
/
^
Parameter
#
\d
+
\[
<
(?:
optional
|
required
)
>
(
[
a
-
zA
-
Z_
\x7f-\xff
]
[
a
-
zA
-
Z0
-
9_
\x7f-\xff
]
*
(?:
\\
[
a
-
zA
-
Z_
\x7f-\xff
]
[
a
-
zA
-
Z0
-
9_
\x7f-\xff
]
*
)*
)
(?:
or
NULL
)?
\$
[
a
-
zA
-
Z_
\x7f-\xff
]
[
a
-
zA
-
Z0
-
9_
\x7f-\xff
]
*
(?:
=
NULL
)?
\]
$
/
gm
Open regex in editor
Description
See
http://www.php.net/manual/en/reflectionparameter.tostring.php
Submitted by
Erin Millard
-
11 years ago