Regular Expressions 101

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Community Patterns

1

Text validation

PCRE (PHP <7.3)
Two words, each word first letter capital
Submitted by Phani Rahul Sivalenka - 9 years ago
0

Pipedrive product translation

PCRE (PHP <7.3)
Description translation
Submitted by anonymous - 9 years ago
0

Pipedrive description product translation

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
2

Beautiful Regex for detecting Slack URL's

PCRE (PHP <7.3)
just lovely
Submitted by the boiz aka ben and chris - 9 years ago
3

Forum user validation

PCRE (PHP <7.3)
Pedro al DAMS
Submitted by giacomo - 9 years ago
1

Dates

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

Asterinic Recording Path

PCRE (PHP <7.3)
regex for changing recording path
Submitted by anonymous - 9 years ago
1

a

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

IPv6 Regex Match Removal

Python
Works for all IPv6 addresses in removing them using regex
Submitted by vks - 9 years ago
1

For names and surnames all around the world

PCRE (PHP <7.3)
except russian, greek and arabic alphabets.
Submitted by İstanbul - 9 years ago
1

9999

ECMAScript (JavaScript)
Using exactly four 9s and no other digits, write an equation which evaluates to 100
Submitted by GMiller - 9 years ago
1

xslt

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

Extract url from code braces

ECMAScript (JavaScript)
Extract a url from as string
Submitted by anistark - 9 years ago
-1

mongo db email validation

Python
email validation based on the restrictions for entering email adresses into a mongo db email field.
Submitted by levire.com - 9 years ago
1

Configurable math parser

PCRE (PHP <7.3)
A validator/parser for math expressions. Written on PCRE regex. To change settings, change the 0 to 1 or 1 to 0 after a setting, example: (?){1} to disable, change to (?){0}
Submitted by Mateon1 - 9 years ago
-3

get table name from mapfile

PCRE (PHP <7.3)
gets a postgis tablename from a mapfile with the given layer name, may not work depending on your mapfile layout
Submitted by warnock - 9 years ago
1

postfix senhas abertas

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
2

src of img tag

ECMAScript (JavaScript)
get contents of src attribute
Submitted by me - 9 years ago
-2

MYSQL DateTime validator (leap year support)

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

Lycopodium Vendor Content

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1...810811812813814...902

Community Library Entry

1

Regular Expression
Python

r"
^(?!\.)(""([^""\r\\]|\\[""\r\\])*""|([-a-z0-9!#$%&'*+/=?^_`{|}~]|(?<!\.)\.)*)(?<!\.)@[a-z0-9][\w\.-]*[a-z0-9]\.[a-z][a-z\.]*[a-z]$
"
Open regex in editor

Description

Email validator from http://haacked.com/archive/2007/08/21/i-knew-how-to-validate-an-email-address-until-i.aspx/

Submitted by anonymous - 9 years ago