Regular Expressions 101

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Community Patterns

1

codegolf.SE cops&robbers histocrat#2

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
0

Page Hangs in Chrome/Shows TIMEOUT on regex101.com

PCRE (PHP <7.3)
I have a regex like this: /^(A-Za-z0-9)([\.\_]?[A-Za-z0-9-]+)(\.[A-Za-z]{2,6})+(\/A-Za-z+)*$/ and I want to test the string like: webmail.google.com.qqqqqqqqqqqqqqqqqqq....... But it shows TIMEOUT. I know that string is invalid for given regex. But I do this because when I input this string and ma...
Submitted by sam - 10 years ago
29

CSV line parsing

PCRE (PHP <7.3)
Captures all fields from a CSV file's line. Can be customized with user-defined field separator and protecting character.
Submitted by Various - 10 years ago
1

Get the command

ECMAScript (JavaScript)
Simply gets the command from a script command, automatically removes unwanted spaces.
Submitted by anonymous - 10 years ago
1

Simple script command and parameter grabber

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
1

Test for Ross

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

nginx log parser

Python
separate nginx log into database table-style fields
Submitted by wgzhao - 10 years ago
1

Finding URLs within full text

ECMAScript (JavaScript)
Finds URLs in a larger body of text. URLs may or may not be enclosed in punctuation, such as parentheses, that are not part of the URL.
Submitted by D0nB1z - 10 years ago
1

how to extract that 87% ??

PCRE (PHP <7.3)
hello, using a monitoring software module from sentrysoftware i want to extract and read that value % (87% ). My chances are to read this line (it's a command output: "/dev/u04omnia_lv 100.00 13.33 87% 57 1% /u04/oradata/OMNIA") by columns (but they aren't columns) or with "befo...
Submitted by Steve - 10 years ago
1

Tv Series name extractor

Python
Extract from a tv series file the name of the series, the season, episode and the title.
Submitted by dshinigami - 10 years ago
1

Movies title extractor

PCRE (PHP <7.3)
Extract the title from a movie file
Submitted by dshinigami - 10 years ago
1

Proper-case word separator

PCRE (PHP <7.3)
Takes a string like 'ImageEditHRStuffSomeMOREStuff' and produces -> 'Image Edit HR Stuff Some MORE Stuff'
Submitted by Michael Keyser - 10 years ago
0

DOI matcher

Python
Matches any valid DOI
Submitted by jpowell - 10 years ago
1

parse salesforce records

PCRE (PHP <7.3)
parse one column query from sf developer console
Submitted by anonymous - 10 years ago
3

Fetch data between curly braces with plain text

PCRE (PHP <7.3)
This regex fetch only the data between content in curly braces (first occurrence, use preg_match_all in php, for all occurrences). This is useful for bad JSON files with wrong format or text between.
Submitted by shakaran87 - 10 years ago
1

hr

ECMAScript (JavaScript)
no description available
Submitted by artem - 10 years ago
1

unity3d.com csharp lint regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

ewqewq

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
0

Hostname-Match not found

PCRE (PHP <7.3)
I'm trying to match a hostname input with the following properties: a-z A-Z 0-9 : - are allowed ; doesnot start or end with - ; "." can be used to separate different labels of the hostname. But gives no match for this regex: ^(a-zA-Z0-9|(?<!-)\.(?![-.]))[a-zA-Z0-9]+)?)$ ...
Submitted by Revathy - 10 years ago
1

group & access several lines

PCRE (PHP <7.3)
Hi there, I try to learn and improve my regex knowledge... I want to fetch all lines below the "="-line and between the "-"-lines and access them via $1 - $n. Is this possible? Or should I fetch the whole string below the "="-line and the last "-"-line, then seperate the lines after that in another...
Submitted by Floffy - 10 years ago
1...875876877878879...901

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
^([A-Za-z0-9][A-Za-z0-9-]*)([\.\_]?[A-Za-z0-9-]+)*(\.[A-Za-z]{2,6})+(\/[A-Za-z][A-Za-z0-9-]+)*$
/
Open regex in editor

Description

I have a regex like this: /^([A-Za-z0-9][A-Za-z0-9-])([._]?[A-Za-z0-9-]+)(.[A-Za-z]{2,6})+(/[A-Za-z][A-Za-z0-9-]+)*$/ and I want to test the string like: webmail.google.com.qqqqqqqqqqqqqqqqqqq....... But it shows TIMEOUT. I know that string is invalid for given regex. But I do this because when I input this string and make it check with regex in Chrome Browser(Only in Chrome !!!), the page hangs. I want solution for it.

Submitted by sam - 10 years ago