Regular Expressions 101

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Regular Expressions 101

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pcre

freeCodeCamp: Restrict Possible Usernames

Usernames are used everywhere on the internet. They are what give users a unique identity on their favorite sites. You need to check all the usernames in a database. Here are some simple rules that users have to follow when creating their username. 1) The only numbers in the username have to be at...
Submitted by anonymous - 6 years ago
-1
javascript

Passwords

no description available
Submitted by anonymous - 6 years ago
-1
pcre

Website (scheme,host,port,path and query)

This is regex for website url matching scheme,host,port,path and query. I did it because in c#, class Uri does not understand urls without scheme and says that 'google.com' is invalid url.
Submitted by anonymous - 6 years ago
-1
javascript

Discord Emojis

no description available
Submitted by anonymous - 6 years ago
-1
pcre

Format RMarkdown Tables

Pipe tables format for R Markdown
Submitted by anonymous - 5 years ago
-1
pcre

ISO 8601 date regex with check of number of day in a month

Regex for date in ISO 8601 format that also check the number of day in a month to be sure the date is valid
Submitted by anonymous - 5 years ago
-1
javascript

balanced parenthesis match

break the code to first opening parenthesis and then closing use the groups individually not entirely . This is 40% correct online pattern but mixing it with first open then close groups in two different matches result in 100% success
Submitted by Muhammed - 5 years ago
-1
javascript

sorry guys - uploaded by fat fingers and can't delete

no description available
Submitted by anonymous - 5 years ago
-1
pcre

Find linked files

no description available
Submitted by anonymous - 5 years ago
-1
pcre

e-mail

no description available
Submitted by anonymous - 5 years ago
-1
javascript

Email validation

no description available
Submitted by anonymous - 5 years ago
-1
pcre

Phone numbers USA

no description available
Submitted by anonymous - 5 years ago
-1
pcre

Extract brazilian DDD and phone number

Extract brazilian DDD and phone number
Submitted by Anderson Rodrigues - 5 years ago
-1
pcre

rlike-regex

vyhledani netisknutelnych znaku .rlike("[\\x00-\\x1F\\x7F]")
Submitted by anonymous - 5 years ago
-1
pcre

test

no description available
Submitted by anonymous - 5 years ago
-1
pcre

Password check

12 characters minimum at least 1 capital letter at leat 1 minuscule letter at least 1 number at least 1 special character
Submitted by anonymous - 5 years ago
-1
pcre

check url for api

no description available
Submitted by anonymous - 5 years ago
-2
javascript

email regexp

no description available
Submitted by anonymous - 6 years ago
-2
pcre

PHP Serialization String Validator

PHP serialize / unserialize __sleep __wakeup __serialize __unserialize
Submitted by Abdullah Pazarbasi - 21 days ago
-2
pcre

Finds HTML img tags

no description available
Submitted by Matt Solum - 10 years ago
1...712713714715716717718...726

CSV line parsing

Vote

28

Regular Expression
pcre

/
(?:\s*(?:\"([^\"]*)\"|([^,]+))\s*,?)+?
/
g
Open regex in editor

Description

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Submitted by Various - 8 years ago