Regular Expressions 101

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Community Patterns

1

email

PCRE (PHP <7.3)
accept empty spaces at start and end
Submitted by Emanuel Lima (jose.emanuel.lima@gmail.com) - 9 years ago
0

Validate Social Security Number

Python
Validate that the social security number follows all of the guidelines of the Social Security Administration, and excludes all voided numbers.
Submitted by Jacob O'Dea - 9 years ago
2

remove n lines after matching pattern

PCRE (PHP <7.3)
stackoverflow question
Submitted by irom77 - 9 years ago
3

currency

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

US Zip Code Validation

ECMAScript (JavaScript)
5 digits and no 0 5/4 times
Submitted by Ashish - 9 years ago
1

Date-Validation with mm/dd/yyyy or mmddyyyy or mm-dd-yyyy or m/d/yyyy

ECMAScript (JavaScript)
Date Validation with leap year handling, & it takes care of date validation in the format like :mm/dd/yyyy or mmddyyyy or mm-dd-yyyy or m/d/yyyy or m-d-yyyy. 12/01/1986 02/29/2016 02/29/2015 13/31/1986...
Submitted by Ashish - 9 years ago
0

Date Validation

ECMAScript (JavaScript)
no description available
Submitted by Ashish - 9 years ago
-2

Date Validation

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
1

Find all Internet Explorer 11.x pkgmgr packages

PCRE (PHP <7.3)
This regex can be used to find all of the packages (.mum) files in the WINDIR%\servicing\Packages directory. I used it to remove the update packages from Winodws 7 pkgmgr /up:"filename" /norestart /quiet
Submitted by Pressanykey - 9 years ago
1

Get text within pipe placeholders

PCRE (PHP <7.3)
Will return all matches of text between pipe placeholders, e.g. "This text has |two| placeholders |inside| of it" will return matches for two and inside.
Submitted by Eddie Y - 9 years ago
0

UK postcodes

Python
Flexible regex to detect full or partial UK postcodes.
Submitted by Victor Munoz - 9 years ago
1

URL detector

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

Full URI Mapping

PCRE (PHP <7.3)
Everything, including proto, user:pass, host, query params and anchors
Submitted by baadf00d - 9 years ago
1

Domain

ECMAScript (JavaScript)
Will return domain portion of a url: Example: http://www.jkrowlings.com/books Returns: www.jkrowlings.com
Submitted by Scott Burrows - 9 years ago
1

Everthing in an element

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
14

Phone Number

ECMAScript (JavaScript)
Allows phone numbers with optional country code, optional special characters and whitespace
Submitted by Tlmader - 9 years ago
0

Select everything outside of table tags

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

ms internet explorer vesion <= 8

PCRE (PHP <7.3)
Check version of internet explorer - if is it usable for html5 support etc.
Submitted by tomish.net - 9 years ago
3

URL Regex (protocol strict)

ECMAScript (JavaScript)
Includes resource strings, taken from here: https://gist.github.com/dperini/729294
Submitted by Diego Perini - 9 years ago
1

Apache/Nginx Logs parsing

PCRE (PHP <7.3)
Log Format - combined + cookie at the end. Pattern Desc - combined for all groups.
Submitted by Samuil Dichev - 9 years ago
1...816817818819820...900

Community Library Entry

0

Regular Expression
ECMAScript (JavaScript)

/
^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@(\[?(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\]?|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$
/
gm
Open regex in editor

Description

email regex with subdomain

Submitted by anonymous - 3 years ago