Regular Expressions 101

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Community Patterns

18

Get path from any text

Recommended
PCRE2 (PHP >=7.3)
Get path (windows style) from any type of text (error message, e-mail corps ...), quoted or not. THIS IS THE SINGLE LINE VERSION !_ If you want understand how it work or edit it, go https://regex101.com/r/7o2fyy Relative path are not supported...
Submitted by nitrateag - 2 years ago (Last modified a year ago)
4

CloudFlare

PCRE2 (PHP >=7.3)
Cloud Flare
Submitted by anonymous - 3 years ago
4

Email

PCRE2 (PHP >=7.3)
email format control
Submitted by ahmetbarut - 3 years ago
4

Match any url in text or html (http, https)

PCRE2 (PHP >=7.3)
Match any url in text or html (http, https)
Submitted by Jérémy Munsch - 3 years ago
3

National Insurance Number regular expression

PCRE2 (PHP >=7.3)
This regular expression is build from the description of NINO number of GOV.UK,
Submitted by Iftakhar Husan - 4 years ago
3

Livestock - Visual tag and Back tag

PCRE2 (PHP >=7.3)
Visual tag and Back tag cannot more than 15 characters or only can contain uppercase, lowercase, space and dash.
Submitted by Adrian Yim - 4 years ago
3

camelCase2snake_case

PCRE2 (PHP >=7.3)
Convert camelCase to snake_case def camelCase2snake_case(txt): """ Convert camelCase to snake_case https://regex101.com/library/wUcSv4...
Submitted by JV-conseil - 2 years ago
3

Discord ID:NAME#DISCRIM match

PCRE2 (PHP >=7.3)
For example, using `Carl-bot to dump members of the @everyone role ordering highest of id`: `!dump @everyone %i:%u -o id` Example of return: 498984530968051713:lanjt#2129 ......
Submitted by lanjt - 3 years ago
3

example

PCRE2 (PHP >=7.3)
example
Submitted by anonymous - 3 years ago
3

Remove extra/useless python elements for GPT input.

PCRE2 (PHP >=7.3)
This RegEx removes unused elements such as inline comments and blank lines in python code. This will save you tokens and time when using GPT-3+ or ChatGPT to help code and debug.
Submitted by LukeL - 2 years ago (Last modified 2 years ago)
2

URL parser

PCRE2 (PHP >=7.3)
The best way to parse URL via Regex. This can be used in javascript, PHP, etc.
Submitted by Ivijan-Stefan Stipic - 8 years ago (Last modified a year ago)
2

Dutch zipcodes

PCRE2 (PHP >=7.3)
no description available
Submitted by anonymous - 4 years ago (Last modified 5 months ago)
2

Dutch streetnames + housenumber + extension

PCRE2 (PHP >=7.3)
Validates a streetname + housenr + extension Somestreet 12 b
Submitted by anonymous - 4 years ago (Last modified 5 months ago)
2

web log entry

PCRE2 (PHP >=7.3)
no description available
Submitted by PepeRG - 4 years ago
2

Comparison of decimals with operators such as <, >, !=, ==, <>

Java 8
Regex expression for comparing decimal numbers with the usual comparison operators such as (greater than), >= (greater than or equal to), != (not equal to), == (equal to), ... The regex also allows filtering of data from e.g. a database, whereby the first value is not needed, e.g. [FIELD] < 100
Submitted by Florian Drees - 4 years ago
2

Url

PCRE2 (PHP >=7.3)
Port https://regex101.com/library/cX0pJ8 to PCRE2 (PHP >= 7.3)
Submitted by semivori - 4 years ago
2

object

PCRE2 (PHP >=7.3)
Json Object
Submitted by anonymous - 3 years ago
2

US phone number

PCRE2 (PHP >=7.3)
US phone number, try to catch as many as possible
Submitted by anonymous - 3 years ago
2

.htaccess wordpress redirect uploads to production domain

PCRE2 (PHP >=7.3)
.htaccess wordpress redirect uploads to production domain
Submitted by anonymous - 3 years ago
2

spring logback parser

PCRE2 (PHP >=7.3)
Spring boot logback 日志正则匹配。 样例日志 2019-12-27 13:52:38.201 INFO 1 --- [Thread-8] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default' 2019-12-27 13:52:39.535 INFO 1 --- [Thread-8] com.alibaba.druid.pool.DruidDataSource : {dataSource-1} closed ...
Submitted by LiuDecai - 3 years ago
123...147

Community Library Entry

2

Regular Expression
PCRE2 (PHP >=7.3)

/
(\d+-\d+-\d+\s\S+)\s+(\w+)\s(\d+)\s---\s(\S+.\S+)\s(\S+\s+:)\s(\S+.*)
/
gm
Open regex in editor

Description

Spring boot logback 日志正则匹配。

样例日志

2019-12-27 13:52:38.201  INFO 1 --- [Thread-8] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default'
2019-12-27 13:52:39.535  INFO 1 --- [Thread-8] com.alibaba.druid.pool.DruidDataSource   : {dataSource-1} closed
2019-12-27 13:52:39.538  INFO 1 --- [Thread-8] com.netflix.discovery.DiscoveryClient    : Shutting down DiscoveryClient ...
2019-12-27 13:52:42.539  INFO 1 --- [Thread-8] com.netflix.discovery.DiscoveryClient    : Unregistering ...
2019-12-27 13:52:42.540  WARN 1 --- [DiscoveryClient-0] c.netflix.discovery.TimedSupervisorTask  : task supervisor shutting down, can't accept the task
2019-12-27 13:52:42.597  INFO 1 --- [Thread-8] com.netflix.discovery.DiscoveryClient    : Completed shut down of DiscoveryClient
2019-12-27 13:52:43.329  WARN 1 --- [XNIO-1 task-15] c.n.eureka.resources.InstanceResource    : Not Found (Renew): RPLUS-SERVICE-COMMUNITY - 69bce99f652f:rplus-service-community:20090
Submitted by LiuDecai - 3 years ago