Regular Expressions 101

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Community Patterns

0

sent from my <phone>

Python
for catching phone generated message such as "sent from my"
Submitted by anonymous - 8 years ago
0

Basic Unmarked Phone Number Regex

PCRE (PHP <7.3)
1112223333
Submitted by Wolf1098 - 8 years ago
0

Phone number

ECMAScript (JavaScript)
A good enough, nonrigorous expression
Submitted by rchfox - 8 years ago
0

Perez request

PCRE (PHP <7.3)
See email.
Submitted by anonymous - 8 years ago
0

File Name (Windows)

ECMAScript (JavaScript)
Valid windows file name.
Submitted by anonymous - 8 years ago
0

IPv4 address with description

Python
Match an IPv4 address and its description delimited by a 'newline' paragraph
Submitted by edoz90 - 8 years ago
0

url decoders

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

Email Validation

PCRE (PHP <7.3)
Email validation according to RFC standards
Submitted by Colton T. - 8 years ago
0

version tag

PCRE (PHP <7.3)
Verify if the given text is a version tag, like git tags for versions in the git flow method
Submitted by bruno-delfino1995 - 8 years ago
0

Negative Lookahead

PCRE (PHP <7.3)
Negative Lookahead Sample
Submitted by TBU - 8 years ago
0

Filename & extension

PCRE (PHP <7.3)
no description available
Submitted by 4B1D F4DL14N N - 8 years ago
0

filename with extension

PCRE (PHP <7.3)
ex : udinkomarudin.png
Submitted by 4B1D F4DL14N N - 8 years ago
0

a

PCRE (PHP <7.3)
a
Submitted by a - 8 years ago
0

justtesting

PCRE (PHP <7.3)
justtesting
Submitted by justtesting - 8 years ago
0

justtesting

PCRE (PHP <7.3)
justtesting
Submitted by justtesting - 8 years ago
0

Preg replace money

PCRE (PHP <7.3)
$ 100.00 USD
Submitted by khiconit - 8 years ago
0

Turkish Plate Regex

PCRE (PHP <7.3)
Turkish Car Plate Regex. Working.
Submitted by srkn - 8 years ago
0

IPv4 address

PCRE (PHP <7.3)
matches valid ipv4 addresses
Submitted by anonymous - 8 years ago
0

Email Check

PCRE (PHP <7.3)
Checks if a string contains an email address. Works for all email addresses.#
Submitted by anonymous - 8 years ago
0

table-markdown-regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
1...563564565566567...902

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
(\d+)(?<!10)(?<!127)\.(\d+)(?<!192\.168)(?<!172\.(1[6-9]|2[0-9]|3[0-1]))\.(\d+)\.(\d+)
/
g
Open regex in editor

Description

Matches publicly available IPv4 addresses (excludes 10., 172.16-32, and 192.168 blocks).

Submitted by anonymous - 9 years ago