Regular Expressions 101

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Community Patterns

1

Multiline Copyright at beginning

Python
no description available
Submitted by anonymous - 4 years ago
1

Tag <p>...</p>

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 4 years ago
1

H1 Tag <h1>...</h1>

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 4 years ago
1

H2 Tag <h2>...</h2>

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 4 years ago
1

H3 Tag <h3>...</h3>

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 4 years ago
1

Title Tag <title>...</title>

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 4 years ago
1

version and positive/negative lookahead

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 4 years ago
1

Remove width and height from img tag

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 4 years ago
1

Get single math operators and floating point numbers - Js

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 4 years ago
1

Match regex of width inside img

PCRE (PHP <7.3)
Match regex of width inside img, can be used to find width whether it is inside style or not. Only find the first occurence of every img tag Already excluded min/max width
Submitted by anonymous - 4 years ago
1

Multiline 2020 Sample Code Copyright/LICENSE Header

Python
no description available
Submitted by anonymous - 4 years ago
1

Multiline 2020 DevPubs Header

Python
no description available
Submitted by anonymous - 4 years ago
1

Date-time extractor in the form of YYYYMMDDHHMMSS

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 4 years ago
1

fighsare eeg single hand 5f

Python
no description available
Submitted by anonymous - 4 years ago
1

Matching custom Log Regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 4 years ago
1

url without first param

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 4 years ago
1

Monolog Line Regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 4 years ago
1

IPv4 address match

PCRE (PHP <7.3)
as the title says
Submitted by anonymous - 4 years ago
1

Find environment variables

Python
Hunts for the key and value in environment variables separated by newlines. All keys must be uppercase
Submitted by anonymous - 4 years ago
1

PV Webserver

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 4 years ago
1...774775776777778...902

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

~
(?:^|\W)(?:youtube(?:-nocookie)?\.com/(?:.*[?&]v=|v/|e(?:mbed)?/|[^/]+/.+/)|youtu\.be/)([\w-]+)
~
mg
Open regex in editor

Description

Retrieves video ID from any YouTube URL:

youtube.com/watch?v=DFYRQ_zQ-gk
www.youtube.com/watch?v=DFYRQ_zQ-gk
http://youtube.com/watch?v=DFYRQ_zQ-gk
http://www.youtube.com/watch?v=DFYRQ_zQ-gk
http://www.youtube.com/watch?v=DFYRQ_zQ-gk&feature=feedrec_grec_index
http://www.youtube.com/watch?v=DFYRQ_zQ-gk#t=0m10s
http://www.youtube.com/?feature=player_embedded&v=DFYRQ_zQ-gk
http://www.youtube.com/watch?feature=player_embedded&v=DFYRQ_zQ-gk
http://www.youtube.com/UCucW7UIJh8FHbv2O0jW8skw?v=DFYRQ_zQ-gk#t=0m10s

http://www.youtube.com/v/DFYRQ_zQ-gk?fs=1&amp;hl=en_US&amp;rel=0
http://www.youtube.com/e/DFYRQ_zQ-gk?fs=1&amp;hl=en_US&amp;rel=0
http://www.youtube.com/embed/DFYRQ_zQ-gk?rel=0
http://www.youtube.com/user/UCucW7UIJh8FHbv2O0jW8skw#p/u/11/DFYRQ_zQ-gk?rel=0
http://www.youtube.com/UCucW7UIJh8FHbv2O0jW8skw#p/c/54B8C800269D7C1B/0/DFYRQ_zQ-gk?rel=0

https://m.youtube.com/watch?v=DFYRQ_zQ-gk
http://m.youtube.com/watch?v=DFYRQ_zQ-gk
//m.youtube.com/watch?v=DFYRQ_zQ-gk
m.youtube.com/watch?v=DFYRQ_zQ-gk

youtu.be/DFYRQ_zQ-gk
http://youtu.be/DFYRQ_zQ-gk
http://youtu.be/DFYRQ_zQ-gk?t=2s
http://youtu.be/DFYRQ_zQ-gk?list=PLelYX5BVrtO0sWvnTSdvot21pjlKTNVeU

http://youtube-nocookie.com/watch?v=DFYRQ_zQ-gk?t=2s

<iframe width="480" height="270" src="https://www.youtube.com/embed/DFYRQ_zQ-gk?feature=oembed" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

DFYRQ_zQ-gk
/watch?v=DFYRQ_zQ-gk
http://www.youtubee.com/watch?v=DFYRQ_zQ-gk
http://notyoutube.com/watch?v=DFYRQ_zQ-gk
Submitted by anonymous - 4 years ago