Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

1

IRCCloud extract usernames

PCRE (PHP <7.3)
Extract the usernames out of a log dump from IRCCloud
Submitted by Ivoah - 9 years ago
1

email validation

ECMAScript (JavaScript)
checks that the mail is valid
Submitted by amine.hallili@gmail.com - 9 years ago
1

Password Security and Validation

PCRE (PHP <7.3)
A password regex that has to have at least 1 uppercase caracter, 1 lowercase caracter, 1 special caracter and a digit
Submitted by MestreMurai - 9 years ago
1

validate 14,9 decimals

PCRE (PHP <7.3)
validate 14,9 decimals
Submitted by Ganey - 9 years ago
0

Password Security and Validation

PCRE (PHP <7.3)
A password regex that has to have 6 characters at minimum, not spaces allowed, and at least 1 special character, 1 uppercase letter, 1 lowercase letter and a digit
Submitted by MestreMurai - 9 years ago
1

us phone numbers 1

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

US Phone Numbers 2

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

Find label tags without for attributes

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

Giphy ID Regex

PCRE (PHP <7.3)
Get the ID from the multiple Giphy URLs
Submitted by anonymous - 9 years ago
1

.Net

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

header-tags

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

Поиск процента ({число}%) в строке

PCRE (PHP <7.3)
Выражение осуществялет поиск процента в строке вида: 10% 5-17% 25-74,3% 41,6-48% 3,5-27,9%
Submitted by Mashoshin Sergey - 9 years ago
1

Title Case deliminator split

PCRE (PHP <7.3)
Splits words for title casing; $0[0].toUpperCase(); `
Submitted by anonymous - 9 years ago
1

Validation for full ISO8601 date and time with timezone

ECMAScript (JavaScript)
The RegExp validates ISO8601 date and time (without milliseconds) with timezone offset.
Submitted by pioneer32 - 9 years ago
1

fasting range

PCRE (PHP <7.3)
Find fasting range in lab result text
Submitted by geoff - 9 years ago
1

result range

PCRE (PHP <7.3)
Find range in lab result text
Submitted by geoff - 9 years ago
1

bb-*

PCRE (PHP <7.3)
aaa
Submitted by wyj - 9 years ago
1

test

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

Comienzo de string

PCRE (PHP <7.3)
Señala el comienzo de un string en modo multilinea
Submitted by Juan Miguel - 9 years ago
1

Add a string to a comma-separated list if not already in list

PCRE (PHP <7.3)
matches only lines that do not contain the string uses negative look arounds appends the new item always to the back suffers from a leading comma in case the list was empty
Submitted by @ubunatic - 9 years ago
1...181182183184185...643

Community Library Entry

-1

Regular Expression
ECMAScript (JavaScript)

/
(?<=(?:^|[^\\])(?:\\\\)*)(([`'"])(.*?(?:[^\\](\\\\)*|$)(\2|$)))
/
g
Open regex in editor

Description

匹配带引号内容，被引号包含的内容

结构($x)

((前引号)(内容)(后引号))

  1. 整体内容(包含引号)
  2. 前引号
  3. 内容
  4. 后引号
  • 默认匹配[`'"]引号，可以在表达式的匹配2中更改
  • 消除转义字符对引号的影响
  • 单个有效引号会直接匹配至末尾，若不想匹配至末尾可以移除表达式尾部的$
Submitted by 诶!你的尾巴掉了 - a year ago (Last modified a year ago)