Regular Expressions 101

Please wait while the app is loading...

Regular Expressions 101

@regex101DonateSponsorContactBug Reports & FeedbackWikiWhat's new?

Order By

Sponsors

Library entries

0
pcre

Reverse list of ASN.1 OIDs/Short Names/Long Names for X.509 certificates under OpenSSL

OIDs are just numbers in the format 1.2.3.4.5.6.7.8.9... Short names are alphanumeric, contiguous descriptions (no spaces, hyphens allowed) Long names can be basically everything (sometimes even UTF-8!) Sometimes, organisations providing the list of 'their' OIDs might reverse the order, for listing...
Submitted by Gwyneth Llewelyn - 3 days ago
0
javascript

Classification Matcher

Classification Matcher
Submitted by anonymous - 3 days ago
0
javascript

RTTU Pharsing

RegEx for RTTU Pharsing
Submitted by CVIKL Dubravko - 3 days ago
1
javascript

Finnish SSN (2023 update)

Finnish SSN that supports the new intermediate characters that were added on 1.1.2023. Source for the new intermediate characters: https://dvv.fi/hetu-uudistus (in Finnish) https://dvv.fi/en/reform-of-personal-identity-code (in English)
Submitted by mpeltola - 5 days ago
0
javascript

Force email address

Force email address
Submitted by anonymous - 5 days ago
0
pcre

exp1

asdf
Submitted by anonymous - 6 days ago
0
javascript

Linux Uptime (match all possible cases with days, min and hours)

Text: 16:37:50 up 18 days, 19:59, load average: 0.23, 0.26, 0.29 11:12:08 up 899 days, 20:35, 2 users, load average: 0.28, 0.29, 0.25 15:19:17 up 22:45, load average: 0.18, 0.31, 0.36 11:11:11 up 12:55, 2 users, load averages: 0.00, 0.01, 0.06 11:11:11 up 55 min, 2 users, load averages: 0.00,...
Submitted by Feruz Ibadullaev - 9 days ago
0
javascript

Audit cleanup

This cleans up the search results from VSCode so that we can paste the file list into Google Sheets.
Submitted by anonymous - 9 days ago
1
javascript

Discord Nickname#Discriminator

Validates if a discord#discriminator is valid
Submitted by N0de - 9 days ago
0
javascript

check alpha numeric

checks all strings containing alphabet and numeric
Submitted by chanaseptiari - 10 days ago
0
pcre

Find GraphQL queries with missing id

It detects the following ` product { brand` and ignores ` product {...
Submitted by anonymous - 14 days ago
0
pcre

Search/Replace Pressure sensor calibration

Changing from MPa to Bar
Submitted by anonymous - 15 days ago
0
pcre

Replace letters in email address

Replace letters in email address but left the first and last letter before and after @
Submitted by Kaibo - 16 days ago
0
javascript

Strip ANSI CSI

Use control_sequence_filter group to find and remove ANSI CSI codes. Not tested thoroughly. Only for the task that was necessary for me
Submitted by Leonards Elksnis - 16 days ago
0
javascript

Youtube Twitch Channels

No need to customize. Works for every modern youtube/twitch channels
Submitted by mallusrgreat - 16 days ago
0
javascript

Match HTML tag with specific attributes

1
Submitted by anonymous - 18 days ago
0
javascript

Match time HH:MM:SS or MM:SS similar to YT chapters

Used in JS context to extract time from string metadata aka YouTube chapters. Trailing text and chars are ignored for each new line.
Submitted by JVE - 18 days ago
0
pcre

Remove all html from string

Remove all tags and special character such as  
Submitted by enrico mosca - 18 days ago
0
javascript

ISO date

Validates a date string as a valid iso entry
Submitted by Franco Grobler (franco199906@gmail.com) - 18 days ago
0
javascript

Company name

Company name
Submitted by anonymous - 19 days ago
1234...627

Word boundary with umlauts

Vote

1

Regular Expression
javascript

/
(?<![\p{Letter}\d_])test(?![\p{Letter}\d_])
/
gu
Open regex in editor

Description

Loading markdown...
Submitted by StephanGeorg - 5 months ago