Regular Expressions 101

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Community Patterns

0

Find bash function

PCRE (PHP <7.3)
Useful for Visual Code Studio (Show Functions extension)
Submitted by anonymous - 6 years ago
0

Negative Lookbehind (?<!jeffery)@.+

PCRE (PHP <7.3)
Simple lookbehind - only selects what is after the @ IF what comes before is NOT 'jeffery' From this guys video https://www.youtube.com/watch?v=aIEjh0YsxWA&t=1s
Submitted by anonymous - 6 years ago
0

Positive Lookbehind (?<=jeffery@).+

PCRE (PHP <7.3)
Simple Positive Lookbehind - only selects what is after the @ IF what comes before IS 'jeffery' Based on this (awesome) guys https://youtu.be/aIEjh0YsxWA?t=228
Submitted by anonymous - 6 years ago
0

Positive Lookahead box(?=-shadow)

PCRE (PHP <7.3)
Simple positive Lookahead - Select 'box' only if what comes after is '-shadow' See this youtube https://youtu.be/aIEjh0YsxWA?t=228
Submitted by anonymous - 6 years ago
0

Negative Lookahead (?!)

PCRE (PHP <7.3)
Selects box only if what comes after is NOT -shadow
Submitted by anonymous - 6 years ago
0

parse file git

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

newPassword

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Hugo Get Tables

Python
no description available
Submitted by anonymous - 6 years ago
0

Find between <p> ??? </p>

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Paragraph search;

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

extract domain from URL

PCRE (PHP <7.3)
Extracts "example" from URLs like "http://www.example.com"
Submitted by victorocn - 6 years ago
0

Get tokenized

PCRE (PHP <7.3)
Get tokenized document number
Submitted by anonymous - 6 years ago
0

case2

PCRE (PHP <7.3)
RegEx case2
Submitted by anonymous - 6 years ago
0

DSE

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Alphanumeric and -_*+.,

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Validar correo electronico

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

regex for spherical

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
0

Find URLs (incl. Numerical)

PCRE (PHP <7.3)
Search text for any URL, including numerical IPs and greater than 3 char domain extensions. Also searches for http(s) alone, include with a third slash, as I ran into scumbag Russian spammers who were doing this.
Submitted by J. Scott Elblein - 6 years ago
0

HTTP ETag header match (RFC7232)

PCRE (PHP <7.3)
HTTP ETag header match (RFC7232) HTTP ETag RFC specification: https://tools.ietf.org/html/rfc7232#section-2.3
Submitted by anonymous - 6 years ago
0

Dim Colors

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 6 years ago
1...9192939495...585

Find URLs (incl. Numerical)

0

Regular Expression
PCRE (PHP <7.3)

/
([(http(s)?):\/\/(www\.)?a-zA-Z0-9@:%._\+~#=-]{2,256}\.[a-z]{2,6}|(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))\b([-a-zA-Z0-9@:%_\+~#?&\/\/=]*)|(http(s)?:\/\/\/?)
/
mgi
Open regex in editor

Description

Search text for any URL, including numerical IPs and greater than 3 char domain extensions. Also searches for http(s) alone, include with a third slash, as I ran into scumbag Russian spammers who were doing this.

Submitted by J. Scott Elblein - 6 years ago