Regular Expressions 101

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Community Patterns

1

Alpha Numeric With Spaces & Limited Punctuation

ECMAScript (JavaScript)
This allows multiple continuous strings of only alpha numeric characters & limiting punctuation to: ?().,'+ /:@-
Submitted by anonymous - a year ago (Last modified a year ago)
1

Regexp for IPv4 or IPv6 CIDR entry

PCRE2 (PHP >=7.3)
Helps to find IPv4 or IPv6 CIDR entry in any text.
Submitted by anonymous - a year ago
1

Match each Unicode Characters, Symbols, and Emojis consecutively

ECMAScript (JavaScript)
RegExp matches each (combined) Unicode symbol, character, or emoji consecutively. Note: there are some edge cases where it does not combine some symbols that should be seen as one symbol (after Default Grapheme Cluster Boundary of UAX #29). For Unicode code point info see codepoints.net Also, see ...
Submitted by MAZ01001 - a year ago
1

Improvement on Python Print substitution argument matching

Python
Get the python substitution strings from inside of print statements. Replace the whole substitution string with {{ ArgumentName }} for use in a Jinja2 rendering. Supports fstrings...
Submitted by Giles Knap - a year ago
1

Python Print String arg extraction

Python
Extract substitution parameters from python print strings works with fstrings old style format strings old style %(variable) strings
Submitted by Giles Knap - a year ago
1

Extract text strings from repeating text fields followed by a suffix

Java 8
This regex expression is useful for extracting only the text string from a value in a column that may contain values from individual rows with repeat strings tagged with a suffix. For example - Row 1: "Sales (#1)", Row 2: "Sales Match (#2)". From the shared examples, this regex will extract the text...
Submitted by nilotpalc - a year ago
1

Standard URI Groups

PCRE2 (PHP >=7.3)
Split URI parts into usable groups based on PCRE2 Regex
Submitted by Gashbeer - a year ago
1

groupping math every 2 comma separator

PCRE (PHP <7.3)
i have paste \n after every 2-th comma using sed sed 's/\(\(*,\)\{2\}\)/\1\n/g'
Submitted by sanekmihailow - a year ago
1

din-91379.datatypeC

PCRE2 (PHP >=7.3)
DE Der Datentyp C wurde für alle normativen Schriftzeichen der DIN-Norm entworfen. Er ist somit die technische Umsetzung der Schnittstellenvereinbarung Alle nach Norm DIN 91379 normativen Schriftzeichen. Texte mit griechischen oder kyrillischen Buchstaben oder mit erweiterten (nicht-normativen) Nich...
Submitted by rhildebr - a year ago
1

Regex URL validation pattern

ECMAScript (JavaScript)
Regex URL validation pattern
Submitted by Septian Maulana - a year ago
1

#MGBookChat

PCRE2 (PHP >=7.3)
The hashtag that identifies topics in middle-grade literature.
Submitted by LHnatiuk - a year ago
1

Get Decathlon Product URL

PCRE2 (PHP >=7.3)
Match decathlon product detail url
Submitted by anonymous - a year ago
1

Regex to find URLs in text

ECMAScript (JavaScript)
Regex to find URLs in text
Submitted by Saheed Odulaja - a year ago
1

HTML5 email validation

PCRE2 (PHP >=7.3)
Source: https://html.spec.whatwg.org/#e-mail-state-(type=email)
Submitted by anonymous - a year ago
1

TV/Movie

PCRE2 (PHP >=7.3)
This is my first attempt so umm ya .. Grab Filename: Fname Season: se Episode: ep Year: yr
Submitted by TheMorgue - a year ago (Last modified a year ago)
1

Discord Token Regex

PCRE2 (PHP >=7.3)
Regex that will verify if a valid token has been provided. This comes directly from Discord's source.
Submitted by Discord - a year ago
1

amp;

PCRE2 (PHP >=7.3)
subtitui
Submitted by seidao - a year ago
1

Cron Job Regular Expression for JavaScript / ECMAScript

ECMAScript (JavaScript)
Simple pattern for validating Cron Job descriptors in your JavaScript / TypeScript / ECMAScript projects. Includes support for date ranges, day ranges, digit ranges, divisors... all of the things you'd expect to encounter in possible Cron values.
Submitted by Nicholas Berlette (https://github.com/nberlette) - a year ago
1

Non-Empty String

ECMAScript (JavaScript)
This simply checks if the string is not empty spaces.
Submitted by anonymous - a year ago
1

Javascript Email Verification RFC5322

ECMAScript (JavaScript)
Original credit for this expression goes to: https://emailregex.com/
Submitted by anonymous - a year ago (Last modified a year ago)
1...3940414243...901

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$
/
Open regex in editor

Description

Original credit for this expression goes to:

https://emailregex.com/

Submitted by anonymous - a year ago (Last modified a year ago)