Regular Expressions 101

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Community Patterns

-1

Regex example

PCRE2 (PHP >=7.3)
For pldi
Submitted by PlaceReporter99 - a year ago
0

use-capture-groups-to-search-and-replace

ECMAScript (JavaScript)
(\w+)(\s)(\w+)\2(\w+) in this exercise we have to use capture groups and then replace the string order to 'three two one'. But first, when you are using the capture group you may have asked yourself why the code below does not work: (\w+)(\s)\1\2\1 to match the sting "one two three"...
Submitted by gabriel silva lima - a year ago
-1

7 Days to Die replace party girl

PCRE2 (PHP >=7.3)
A regular expression for replacing Arlene and party girl with the lab tech model in 7 Days to Die. This ought to be applied to the file D:\Program Files (x86)\Steam\steamapps\common\7 Days To Die\Data\Config\entitygroups.xml
Submitted by anonymous - a year ago
-1

pesquisa_cautelar

PCRE (PHP <7.3)
Array ( [0] => Página 1 de 5 MEGA [1] => Código da Consulta: 15240795 [2] => MEGA15240795VIS\bKdKd>Z/Z\bOPRETOAGJ3548,SP,MEGA15240795VIS\bKdKd>Z/Z\bOPRETOAGJ3548,SP,MEGA15240795VIS\bKdKd>Z/Z\bOPRETOAGJ3548,SP,MEGA15240795VIS\bKdKd>Z/Z\bOPRETOAGJ3548,SP,MEGA15240795VIS\bKdKd...
Submitted by emerson - a year ago
-1

Bwt Double Quotes

PCRE2 (PHP >=7.3)
Select string between double quotes.
Submitted by anonymous - a year ago
-1

Capturing groups with suffix

Java 8
Capturing the content of column names which are duplicate in nature to extract the actual name and suffix ("right" / "left")
Submitted by anonymous - a year ago
-2

Ascending and Descending order

Java 8
This regex is to match Ascending or descending order of 8 digit number
Submitted by anonymous - a year ago
-1

匹配引号内容/match quotation mark content

ECMAScript (JavaScript)
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)) ...
Submitted by 诶!你的尾巴掉了 - a year ago (Last modified a year ago)
-2

Codeforces 1800A Solution

ECMAScript (JavaScript)
By inserting this regex in a programming language to test it against Codeforces 1800A you'll solve the task
Submitted by EntityPlantt - a year ago
0

Regex many

PCRE2 (PHP >=7.3)
Search and change many regex matches
Submitted by anonymous - a year ago
0

BDO client ID

PCRE2 (PHP >=7.3)
Validates client IDs
Submitted by anonymous - a year ago
0

Splitting Inconsistent Addresses

PCRE2 (PHP >=7.3)
This pattern matches inconsistent addresses that have various street names and coordinates. This captures the Address 1 & 2, Type of Street, Coordinates (NE, NW, SE,SW) City, State, and Full zip
Submitted by Nadira S Fant - a year ago
0

Salesforce - Flow Naming Conventions

PCRE2 (PHP >=7.3)
Ensure that Salesforce Flow name meets the following standards: - -
Submitted by anonymous - a year ago (Last modified a year ago)
0

Validate comma-separated list of values (allowed: words; digits; special characters; single non-trailing non-leading spaces;)

PCRE2 (PHP >=7.3)
Validate comma-separated list of values (allowed: words; digits; special characters; single non-trailing non-leading spaces;)
Submitted by anonymous - a year ago
0

Twitch data capturing

ECMAScript (JavaScript)
Matches the data sent by the twitch IRC and captures into various groups
Submitted by Bucky - a year ago (Last modified a year ago)
0

text has numbers

ECMAScript (JavaScript)
text has numbers
Submitted by vijay - a year ago
0

email matcher

PCRE2 (PHP >=7.3)
match some emails and extract their local part and domain
Submitted by dang duomg 191 - 6 months ago (Last modified 6 months ago)
1...898899900

Community Library Entry

0

Regular Expression
ECMAScript (JavaScript)

/
^[A-Z](([a-z]+[A-Z]?)*)$
/
gm
Open regex in editor

Description

To be proper pascal case with no digits allowed, a word:

  • MUST start with an upper case alphabet (A through Z)
  • MUST have no digits (0 - 9)
  • MUST have no spaces, punctuation or special characters
  • CAN have at most 1 uppercase alphabet in a row
  • CAN end in an uppercase alphabet

Notable examples

  • A is valid pascal case
  • Ag is valid pascal case
  • AaA is valid pascal case
Submitted by anonymous - 2 years ago (Last modified 2 years ago)