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
There are currently no sponsors.
Become a sponsor today!
Community Patterns
Search among 14,280 community submitted regex patterns...
1
test
PCRE (PHP <7.3)
test
Submitted by
test
-
9 years ago
1
regexp for Shahar
PCRE (PHP <7.3)
regexp for Shahar
Submitted by
Eugene
-
9 years ago
1
Email Check
PCRE (PHP <7.3)
Verify an email is OK
Submitted by
Will
-
9 years ago
1
Validate Url with or without http(s)://
PCRE (PHP <7.3)
This will validate whether you starts with http(s)://
Submitted by
Sanal Menon Kalipurayath
-
9 years ago
0
parenthesized numerical expression
PCRE (PHP <7.3)
no description available
Submitted by
pooty
-
9 years ago
0
eksr
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
0
1
PCRE (PHP <7.3)
1
Submitted by
anonymous
-
9 years ago
1
Output string is not displayed for given regex
PCRE (PHP <7.3)
I have this regex and input string. But nothing is displayed in output area. Could you please help to know why it is not displaying output? Thanks.
Submitted by
anonymous
-
9 years ago
-2
ignore code comments
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
0
test
PCRE (PHP <7.3)
test
Submitted by
test
-
9 years ago
0
sas
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
afsd
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
0
select html paragraph tags
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
0
fsd
PCRE (PHP <7.3)
fsdfsd
Submitted by
anonymous
-
9 years ago
1
Inverse Match
Python
inverse match letters, numbers, and underscores
Submitted by
anonymous
-
9 years ago
1
match only an #endif where no wordcharacter is following(multiline)
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
0
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
0
test
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
0
eee
PCRE (PHP <7.3)
eee
Submitted by
eee
-
9 years ago
-2
Detect DNS Zones with Authoritative Nameservers
PCRE (PHP <7.3)
This can be used to find all zone files that contain authoritative nameservers - e.g. perl -ne 'print if /^([\w.]+\.)\s+.+\sNS\s.+\1/' /var/named/*.db | awk '{print $1}' | sort | uniq
Submitted by
Santrix
-
9 years ago
1
...
69
70
71
72
73
...
714
select html paragraph tags
0
Regular Expression
PCRE (PHP <7.3)
/
(
<p
.
*
?
>
.
*
?
<
\/
p>
)
/
i
Open regex in editor
Description
no description available
Submitted by
anonymous
-
9 years ago