Regular Expressions 101

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Community Patterns

5

Separate words (works with spaces, dashes and underscores)

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

Find All Python imports

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
3

php input:date yyyy-mm-dd

PCRE (PHP <7.3)
improved "Ahmed Z" regexp. PHP date format (and input[type=text] format date too): YYYY-MM-DD. Year between [1900-2099]. No leap year check. Month 02 is limited to 29 days.
Submitted by Oropesa - 10 years ago
-2

link

Python
no description available
Submitted by NTP-[SADAS] - 10 years ago
2

PAN verification regex

PCRE (PHP <7.3)
Regex to verify PAN in India
Submitted by Anirban - 10 years ago
2

log trillian

Python
no description available
Submitted by NTP-[SADAS] - 10 years ago
16

Hashtag

ECMAScript (JavaScript)
The secret of the Twitterverse.
Submitted by Joogl - 10 years ago
1

Test

PCRE (PHP <7.3)
test
Submitted by royskatt - 10 years ago
1

semver

PCRE (PHP <7.3)
Semantic Versioning regex pattern according to Tom Preston-Werner http://semver.org/ https://github.com/mojombo/semver/blob/master/semver.md ...
Submitted by @gvlx <Gerardo Lisboa> - 10 years ago
4

semver

Recommended
PCRE (PHP <7.3)
Semantic Versioning regex pattern according to Tom Preston-Werner http://semver.org/ https://github.com/mojombo/semver/blob/master/semver.md First version of this regex follows semver 2.0.0....
Submitted by @gvlx <Gerardo Lisboa> - 10 years ago
1

Europead date or MSSQL Timestamp

PCRE (PHP <7.3)
Matches european dates (DD.MM.YYYY[ HH:MM:SS]) and MS-SQL Timestamp ({ts 'YYYY-MM-DD HH:MM:SS'})
Submitted by anonymous - 10 years ago
-2

Decimal Number

ECMAScript (JavaScript)
Parse decimal numbers with optional thousands and/or decimal separator. #i18n #l11n #international
Submitted by Andreas Pizsa - 10 years ago
1

input mandatory title

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
0

webongo

PCRE (PHP <7.3)
webongo test
Submitted by webongo - 10 years ago
1

search mailadress

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
-2

valid windows file name

ECMAScript (JavaScript)
no description available
Submitted by Mitacha - 10 years ago
4

Remove HTML tags

PCRE (PHP <7.3)
This regex is used to remove HTML tag on string
Submitted by Jordane BACHELET - 10 years ago
1

Mips I-Type Instructions

PCRE (PHP <7.3)
Parses an I-Type Mips instruction. You can add and remove instructions in the list to support more I-Type instructions. Will detect only "addi", "andi" or "ori" as is
Submitted by lunfel - 10 years ago
1

Mips R-Type Instructions

PCRE (PHP <7.3)
Parses an R-Type Mips instruction. You can add and remove instructions in the list to support more R-Type instructions. Will detect only "add", "and", "nor" or "sub" as is
Submitted by lunfel - 10 years ago
1

find single character

PCRE (PHP <7.3)
Why this regEx not find all single character? Why not work Start of string and End of string in bracket?
Submitted by anonymous - 10 years ago
1...875876877878879...900

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)