Regular Expressions 101

Order By

Sponsors

Community Patterns

14

Match Gmail Email

Recommended
PCRE (PHP <7.3)
Match Gmail Email
Submitted by Óscar Enríquez - 9 years ago
13

US Currency Format

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
14

us postal/zip

ECMAScript (JavaScript)
no description available
Submitted by jay johnson - 10 years ago
9

Fixo LDN CSP e SEM CSP

PCRE (PHP <7.3)
no description available
Submitted by Marcos Müller - 9 years ago
483

regex101.com permalink id grabber

PCRE (PHP <7.3)
Grabs the ID for the regex101.com permalink code. If a revision number is provided, grab that as well.
Submitted by chris mccoy - 10 years ago (Last modified 6 days ago)
236

Matching email addresses per RFC5322

PCRE (PHP <7.3)
The BNF rules from RFC 5322 transformed to PCRE by Nikita Popov and described in the post http://nikic.github.io/2012/06/15/The-true-power-of-regular-expressions.html.
Submitted by Michael Musson - 10 years ago
10

MikroTik FireWall

PCRE (PHP <7.3)
Regex used in Splunk to extract fields from Mikrotik FW. NOTES: Mikrotik must be configured to use "BSD Syslog" format FW rules must add, as log prefix, the action: drop accep...
Submitted by HappyIdeasMaker - 9 years ago
13

Credit Card Expiry Date

ECMAScript (JavaScript)
Allows inserting expiry date as MM/YYYY or MM-YYYY format
Submitted by Rider - 9 years ago
12

Full url parse, domain, path, params

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
5

Find All Python imports

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
5

relative to absolute

PCRE (PHP <7.3)
relative to absolute
Submitted by xp_prg - 9 years ago
5

Quartz Cron Validation

PCRE (PHP <7.3)
http://stackoverflow.com/questions/2362985/verifying-a-cron-expression-is-valid-in-java
Submitted by anonymous - 9 years ago
5

Variable name of code

PCRE (PHP <7.3)
To get a variable name from a source code: The variable name is before the '=' (equal sign) This is the way to detect. Problem: Only 1 variable can get from 1 line. Unfortunately, this can get variable between after "//" and before ";" too. I made this for fake script debugger. Just get variable fr...
Submitted by Setsuna - 9 years ago
5

Codice fiscale italiano

PCRE (PHP <7.3)
Oltre a supportare le omocodie controlla in modo restrittivo il carattere relativo al mese di nascita
Submitted by Aldo Medri - 9 years ago
5

look for any $_POST['name']

PCRE (PHP <7.3)
if you are as lazy as me and want to replace every "=$_POST['name'];" using Dreamweaver or any development tool that allows using regular expressions to search in current file/document.
Submitted by Kevinator - 8 years ago
5

Form Tag

Python
Form Tag
Submitted by Jay Patel - 8 years ago
5

psswd

Python
no description available
Submitted by anonymous - 8 years ago
5

Find and extract email domain

Python
Find and extract email domain. Ex: test@example.pt -> extract 'example.pt'
Submitted by Fnxk - 8 years ago
5

Match Only Text

Python
no description available
Submitted by anonymous - 8 years ago
5

get specific value from html tag

PCRE (PHP <7.3)
no description available
Submitted by A.ROA - 8 years ago
1234...879

密码规则判断

0

Regular Expression
PCRE (PHP <7.3)

/
(((?=.*[A-Z])(?=.*[a-z]))|((?=.*[a-z])(?=.*[A-Z]))|((?=.*[A-Z])(?=.*[0-9]))|((?=.*[0-9])(?=.*[A-Z]))|((?=.*[a-z])(?=.*[0-9]))|((?=.*[0-9])(?=.*[a-z]))|((?=.*[A-Z])(?=.*[a-z])(?=[0-9]))|((?=.*[A-Z])(?=.*[0-9])(?=[a-z]))|((?=.*[a-z])(?=.*[A-Z])(?=[0-9]))|((?=.*[a-z])(?=.*[0-9])(?=[A-Z]))|((?=.*[0-9])(?=.*[A-Z])(?=[a-z]))|((?=.*[0-9])(?=.*[a-z])(?=[A-Z])))^[a-zA-Z0-9]{8,20}$
/
gm
Open regex in editor

Description

条件1: 8-20位 条件2: 大写字母，小写字母，数字至少两种

Submitted by anonymous - 4 years ago