Regular Expressions 101

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Community Patterns

0

Get Client

PCRE2 (PHP >=7.3)
Parse Client type
Submitted by ben - 4 years ago
0

Json Starts With Keys

PCRE2 (PHP >=7.3)
Regex for checking if JSON starts with desired keys Useful for validating/filtering database entries when used in combination with SQL Like Example: Postgre: select * from table_name where column_json ~ '^\{[\s]\"(tab1|tab3|tab5)".'
Submitted by MUA - 4 years ago
0

Number Parsing w/ Scientific Support

ECMAScript (JavaScript)
Capture a number out of a string. Supports positive/negative, decimal, and Scientific Notation
Submitted by Brombomb - 4 years ago
0

Hora formato am/pm hh:mm am/pm

PCRE (PHP <7.3)
Valida el formato de hora hh:mm am/pm
Submitted by Felipe silva - 4 years ago
0

Capture Groups: Any number in between slashes followed by anything

PCRE2 (PHP >=7.3)
Two groups. One of digits in between slashes (e.g. '/5/') followed by any text
Submitted by Leonardo Marcelino Vieira - 4 years ago
0

Regex to capture AlphaNumeric String of 7 or 11 length(Must contain at least one Alphabet and Must contain at least one Numeric)

Java 8
Regex to capture AlphaNumeric String Length should be 7 or 11 Must contain at least one Alphabet Must contain at least one Numeric
Submitted by Suman Maharjan - 4 years ago
0

reg

PCRE2 (PHP >=7.3)
reg
Submitted by inj - 4 years ago
0

Bibliography Author|Year Formatted References

Python
Finds author/year formatted refs
Submitted by anonymous - 4 years ago
0

my regex

Java 8
test
Submitted by anonymous - 4 years ago
0

test

ECMAScript (JavaScript)
f
Submitted by anonymous - 4 years ago
0

email validation

ECMAScript (JavaScript)
check valid email
Submitted by anonymous - 4 years ago
0

get the matching text starting from [** to /.md

PCRE2 (PHP >=7.3)
get the matching text starting from [** to /.md
Submitted by anonymous - 4 years ago
0

Version numbers

Python
Python regex to get version numbers, including if the version number specifies a range such as 1.0-2.0 or >1.0
Submitted by jhylands - 4 years ago
0

vue component import suffix replace

ECMAScript (JavaScript)
为了使用vite，替换必须有后缀
Submitted by anonymous - 4 years ago
0

Filter 4, 10 digits and email

Golang
Test
Submitted by gert rohde - 4 years ago
0

Parse Received header on email

PCRE2 (PHP >=7.3)
Parse Received header on email
Submitted by anonymous - 4 years ago
0

Match questions

PCRE2 (PHP >=7.3)
To debug pasted questions with options
Submitted by anonymous - 4 years ago
0

regex for the minute part of crontab

PCRE2 (PHP >=7.3)
hopefully matches all variations of the minute part of a crontab. working on the other parts soon
Submitted by nick g - 4 years ago
0

match all printable basic ASCII characters in c++

PCRE2 (PHP >=7.3)
match all printable basic ASCII characters in c++ #include #include #include ...
Submitted by zhongmeng Yu - 4 years ago
0

Match all words

PCRE2 (PHP >=7.3)
extracts all word char sequences from given text
Submitted by anonymous - 4 years ago
1...376377378379380...902

Community Library Entry

1

Regular Expression
Rust

r"
(?<emoji>(:)([a-zA-Z0-9_]+)(:))|(?<embed_emoji>(\[)([a-zA-Z0-9_]+)(\])\([^()]*\))
"
gm
Open regex in editor

Description

NOTE

The word text is used to substitute all alphanumeric characters as well as underscores ([a-zA-Z0-9_]).

Captures:

  • [text](a) (the text in the parentheses doesn't get scanned)
  • [text]()
  • :text:

Doesn't capture:

  • [](text)
  • [text]
  • [text ]()
  • [ text]()
  • [ text ]()
  • : text:
  • :text :
  • : text :
Submitted by anonymous - 7 days ago (Last modified 7 days ago)