Regular Expressions 101

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Community Patterns

1

C-Syle If Statement to Excel

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

dutch zipcode with named matching

PCRE (PHP <7.3)
no description available
Submitted by Eelke van den Bos - 9 years ago
1

Italian Fiscal Code [Codice fiscale]

ECMAScript (JavaScript)
Codice fiscale italiano
Submitted by Italo - 9 years ago
1

ipv4 IP addressses, capturing private ranges

PCRE (PHP <7.3)
Capture 0.0.0.0-255.255.255.255 IP address octets. Capture private ranges, such as '169.254.' and '10.'
Submitted by OnlineCop - 9 years ago
1

decimal number validation

PCRE (PHP <7.3)
accepts 1; 1.1; 112315.23135
Submitted by MS - 9 years ago
1

username

PCRE (PHP <7.3)
Letras, Ñ, acentos, números, guión y barra baja
Submitted by diegosanz - 9 years ago
1

Date format

ECMAScript (JavaScript)
date should be in format YYYYMMDDHHMMSS
Submitted by Prashant Kumar Dubey - 9 years ago
1

Email id

Python
no description available
Submitted by anonymous - 9 years ago
1

Slug

PCRE (PHP <7.3)
Matches alphanumeric slugs without repeating dashes
Submitted by Óscar Enríquez - 9 years ago
1

Console.log line deletion, multi line.

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

Get email info (2)

PCRE (PHP <7.3)
Get Gmail tag, user and domain of an email address. -- Fixed the bug that the label be obligatory
Submitted by Matías Pizarro González - 9 years ago
1

my apache2 access.log regex

PCRE (PHP <7.3)
google.com:80 212.111.203.171 - - [02/Mar/2015:10:27:04 +0000] "GET /css/style.css HTTP/1.1" 304 138 "http://google.com" "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36"
Submitted by marf - 9 years ago
1

Year regexp

PCRE (PHP <7.3)
regexp for year filtering
Submitted by anonymous - 9 years ago
1

ipv4 and ipv6

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

masked phone input validator

ECMAScript (JavaScript)
masked phone input validator
Submitted by fermanakgun - 9 years ago
1

Absolute Date format

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

Match_Between_Nth_And_Nth+1_Occurence_Of_Character_Pattern

ECMAScript (JavaScript)
This regular expression is designed to work with character-delimited strings, and provides a means to specify the index of delimiter occurrence at which content is extracted.
Submitted by Connor Goddard - 9 years ago
1

regex to get N words from a line

ECMAScript (JavaScript)
usefull if you want to return (N) words instead of (N) chars
Submitted by Pavel Dominguez - 9 years ago
1

Match a string that is equal to a string before a '='

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

Matches Content-Type field of HTTP response

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1...839840841842843...902

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
^(?:[1-9]|0(?!0{4}))\d{4}(?:[-\s]\d{4})?$
/
ig
Open regex in editor

Description

Validation rule:

  • not empty
  • numeric only
  • allow "XXXXX", "XXXXX XXXX", or "XXXXX-XXXX"
  • first 5 digits cannot be "00000" (so "00000", "00000 XXXX" and "00000-XXXX" will be regected)
Submitted by Zheyang Song - 9 years ago