Regular Expressions 101

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Community Patterns

0

RegexForSplitStringUsingRegex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Hex String

ECMAScript (JavaScript)
no description available
Submitted by Tiago de Pádia - 8 years ago
0

YouTube Video URL Matcher

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

How to get AC, Tax_id, optionally VAR_SEQ, and Sequence?

Python
1) (?ms)ID\s+.?^AC\s+(\w+);.?^OX\s+NCBI_TaxID=(\d+).?(?#how to optionally capture group ^FT\s+VAR_SEQ.?\/FTId=\w+\. ).?^\s{5}(.?)// 2) (?ms)(FT\s+VAR_SEQ.*?\/FTId=\w+\.) (1) can give AC, Tax_id and Sequence and these 3 fields are always present in an Entry, but VAR_SEQ field is optional. (2) gives ...
Submitted by anonymous - 8 years ago
0

Info o filmu

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Javascript Comments

ECMAScript (JavaScript)
This covers both // styled comments as well as comments between /* and */. Supports multiline as well. Enjoy
Submitted by William Ramsey - 8 years ago
0

Detect all HTML tags

PCRE (PHP <7.3)
This RegExp will find any and everything that's an HTML tag, and ignore the contents inside of it. (sorry if this already exists, I'm new to the site and I'm having a lot of fun with RegExp... so here's my version!)
Submitted by William Ramsey - 8 years ago
0

One occurrence from 0 to 10 with one decimal.

PCRE (PHP <7.3)
Only one occurrence of a value between 0 to 10 with only one decimal using ',' like point. For example: Good: 0,3 0,5 4,2 10 Fail: 92 0,31 3,45
Submitted by anonymous - 8 years ago
0

zero or one

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Security rating reaffirmed

PCRE (PHP <7.3)
Matching financial agencies rating securities for buy/hold etc
Submitted by anonymous - 8 years ago
0

Corequery event template click keyup etc

ECMAScript (JavaScript)
pathfromdata.event(arg1,arg2)
Submitted by anonymous - 8 years ago
0

Corequery event template click keyup etc

ECMAScript (JavaScript)
pathfromdata.event(arg1,arg2)
Submitted by anonymous - 8 years ago
0

#hashtag

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
0

Убираем заголовки

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Find 4 numbers/digits

ECMAScript (JavaScript)
Will find 4 digits. IE: 1234 (not 123).
Submitted by anonymous - 8 years ago
0

Find any Characters

ECMAScript (JavaScript)
Finds all characters and numbers in a string.
Submitted by anonymous - 8 years ago
0

Find lines with extra semicolons

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Finding comments

PCRE (PHP <7.3)
Used for finding lines with comments in C#
Submitted by Simon Clement - 8 years ago
0

regex pour nom fichier pesv2

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Find Basic Auth in URL (without protocol)

PCRE (PHP <7.3)
no description available
Submitted by Aaron Murray - 8 years ago
1...400401402403404...900

Community Library Entry

2

Regular Expression
ECMAScript (JavaScript)

/
(?:(?:(?:[A-F0-9]{1,4}:){6}|(?=(?:[A-F0-9]{0,4}:){0,6}(?:[0-9]{1,3}\.){3}[0-9]{1,3}(?![:.\w]))(([0-9A-F]{1,4}:){0,5}|:)((:[0-9A-F]{1,4}){1,5}:|:)|::(?:[A-F0-9]{1,4}:){5})(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)|(?:[A-F0-9]{1,4}:){7}[A-F0-9]{1,4}|(?=(?:[A-F0-9]{0,4}:){0,7}[A-F0-9]{0,4}(?![:.\w]))(([0-9A-F]{1,4}:){1,7}|:)((:[0-9A-F]{1,4}){1,7}|:)|(?:[A-F0-9]{1,4}:){7}:|:(:[A-F0-9]{1,4}){7})(?![:.\w])\/(?:12[0-8]|1[01][0-9]|[1-9]?[0-9])
/
gmi
Open regex in editor

Description

This is a regex to validate the format of an IPv6-based CIDR range, where the IPv6 portion can be standard, mixed, and/or compressed notation.

Supported by: .NET, Java, JavaScript, PCRE, Perl, Python, Ruby

Adapted from IPv6 regex published in Regular Expressions Cookbook

Submitted by anonymous - 2 years ago