Regular Expressions 101

Please wait while the app is loading...

Regular Expressions 101

@regex101DonateSponsorContactBug Reports & FeedbackWikiWhat's new?

Order By

Sponsors

Library entries

-23
python

1

no description available
Submitted by anonymous - 9 years ago
-13
python

Easy Email detection

Easy Email Detection
Submitted by Philip Lawall - 9 years ago
-11
python

54

no description available
Submitted by anonymous - 10 years ago
-8
python

Twitter @mentions

Using Twitter API, take a tweet object, and find & link @mentions to embed in HTML
Submitted by @triplec1988 - 9 years ago
-4
python

regex to match torrent trackers in unformatted tracker list

http://bitsnoop.com/trackers/ has a list of active trackers quick dirty regex to extract only the tracker names in order to paste said tracker names to utorrent/deluge
Submitted by kkarakk - 8 years ago
-4
python

Matches percentage with any number of digits

Only captures value for converting percentage to decimal. Returns empty if percentage but no value. no match = no percentage found
Submitted by sharkey - 8 years ago
-3
python

Just IP

ip address
Submitted by whoyas2 - 9 years ago
-3
python

Match substitutions

Match regular expressions substitutions, I personally use this to perform my validate if it is a substitution, then call re.sub() on it.
Submitted by Zarthus - 9 years ago
-3
python

IPv4 address

Matches any IPv4 address
Submitted by anonymous - 7 years ago
-2
python

phone number

An extremely complete regex, that... Accepts international phones and most of regional phone numbers; Accepts phone numbers with/without "+", with/without space or "-" in the middle of the phone, and more. Gets groups of all important data of the phone number (local code, country code and the phone ...
Submitted by @thegamerbr1 - 7 years ago
-2
python

example

match
Submitted by anonymous - 9 years ago
-2
python

Basic grammar for regex matching of simplistic Makefiles

This expression should both normal and wildcard targets and rules wrapped in simple sub-shell or varriable substitution enclosures.
Submitted by Robert Butler <me@r-butler.net> - 9 years ago
-2
python

eee

no description available
Submitted by anonymous - 9 years ago
-2
python

link

no description available
Submitted by NTP-[SADAS] - 8 years ago
-2
python

five word capture

no description available
Submitted by anonymous - 8 years ago
-2
python

match only words consisting of 3 repeated letters, e.g. lllkkk

no description available
Submitted by kali - 8 years ago
-2
python

python bracketed text

why doesn't this match text in brackets?
Submitted by anonymous - 8 years ago
-2
python

Host and domains

no description available
Submitted by anonymous - 8 years ago
-2
python

IPv4

allows for all legal IPv4 addresses
Submitted by anonymous - 8 years ago
-2
python

twitter usernames

no description available
Submitted by anonymous - 8 years ago
1234...204

Convert numbers-only YYYYMMDD date to dash delineated YYYY-MM-DD

Vote

-1

Regular Expression
pcre2

/
(?<year>\d{4})(?<month>\d{1,2})(?<day>\d{1,2})
/
gm
Open regex in editor

Description

Loading markdown...
Submitted by anonymous - 10 months ago