Regular Expressions 101

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Community Patterns

1

email

PCRE2 (PHP >=7.3)
list of email
Submitted by anonymous - a year ago
1

DSN parser

PCRE2 (PHP >=7.3)
Regex for DSN parsing
Submitted by ZKelo - a year ago (Last modified a year ago)
1

Lua Syntax

PCRE2 (PHP >=7.3)
finds and replaces square bracketed string literals with period and the field name
Submitted by Andrew Stevens - a year ago (Last modified a year ago)
1

Best email regex including + (plus) and everything else

PCRE2 (PHP >=7.3)
The best regular expression for emails, including the + (plus) sign for every possible valid email in 2023.
Submitted by Jérôme Brunel - a year ago
1

Simple scientific notation

PCRE2 (PHP >=7.3)
allowed: 123 123.234 123.234E13 +123.234E-412 -.234E-12
Submitted by Romzikon - a year ago
1

match "baseip/cidr"

PCRE2 (PHP >=7.3)
match "baseip/cidr"
Submitted by Erik - a year ago
1

Thai Home Telephone Validation

PCRE2 (PHP >=7.3)
refer to https://mobile.kapook.com/view7358.html
Submitted by Chadin Chaipornpisuth - a year ago
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...3940414243...901

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

/
^[a-z0-9]+[\.a-z0-9]{2,}\@[a-z0-9]{2,}\.[a-z\.]{2,}$
/
gm
Open regex in editor

Description

mail, pass, ...

Submitted by anonymous - a year ago