Regular Expressions 101

Please wait while the app is loading...

Regular Expressions 101

@regex101DonateSponsorContactBug Reports & FeedbackWikiWhat's new?

Order By

Sponsors

Library entries

1
java

Email finder

Matches with the valid email addresses.
Submitted by anonymous - a day 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 - 2 days ago
0
javascript

Force email address

Force email address
Submitted by anonymous - 2 days ago
0
java

Other segment

Other segments
Submitted by Lufram - 5 days ago
0
java

Take segments to string

Take segments to string
Submitted by Lufram - 5 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 - 5 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 - 5 days ago
1
javascript

Discord Nickname#Discriminator

Validates if a discord#discriminator is valid
Submitted by N0de - 5 days ago
0
javascript

check alpha numeric

checks all strings containing alphabet and numeric
Submitted by chanaseptiari - 6 days ago
0
java

Kyivstar phone number

Kyivstar phone number
Submitted by milka_vlad - 9 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 - 12 days ago
0
javascript

Youtube Twitch Channels

No need to customize. Works for every modern youtube/twitch channels
Submitted by mallusrgreat - 13 days ago
0
java

tas-branch-validation

tas-branch-validation
Submitted by doron-hafner - 13 days ago
1
java

Replace ^ with Math.pow function. Not made to work with braces.

Replaces ^ with Math.pow function call. This assumes all braces have been combined first. If you need help with the combination, I got you—try this Python algorithm: def evaluate_braces(expr): """Recursively evaluate expressions within braces""" Check if expression contains braces if '(' in...
Submitted by Glitchii - https://github.com/Glitchii - 13 days ago
0
javascript

Match HTML tag with specific attributes

1
Submitted by anonymous - 14 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 - 14 days ago
0
javascript

ISO date

Validates a date string as a valid iso entry
Submitted by Franco Grobler (franco199906@gmail.com) - 15 days ago
0
javascript

Company name

Company name
Submitted by anonymous - 16 days ago
0
java

ip address

ip address regex
Submitted by shyam - 16 days ago
0
javascript

Node-red DSMR reading

0:1.8.1(010972.842*kWh) normaal tarif
Submitted by anonymous - 16 days ago
1234...173

Percentage only

Vote

0

Regular Expression
javascript

/
^(\d+(?:\.\d+)?)%$
/
gm
Open regex in editor

Description

Loading markdown...
Submitted by cagatayucar - 2 months ago