Regular Expressions 101

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Regular Expressions 101

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1

Good enough IPv6

A good enough approximation to IPv6 based on the examples at https://www.ibm.com/docs/en/ts3500-tape-library?topic=functionality-ipv4-ipv6-address-formats

Submitted by mig8447 - 5 months ago

1

Group first letter, Group Remaining letters, Group White space

first groups all white space $1 second groups all first letter of every word except capitals third groups remaining letters

Submitted by slimelord - 5 months ago

1

Function for LScript

RegEx for finding function in LScript programming language

Submitted by anonymous - 5 months ago

1

Function creation in LScript

RegEx for finding creation of a function in LScript programming language

Submitted by anonymous - 5 months ago

1

Function argument in LScript

RegEx for finding each argument when creating a function in LScript programming language

Submitted by anonymous - 5 months ago

1

get-time

The get-time regex checks for the time format of a 12-hour clock, as follows: the hour is between 1 and 12, with no leading zero, followed by a colon, then minutes between 00 and 59, then an optional space, and then AM or PM, in upper or lower case

Submitted by Ahmed Ibrahim - 5 months ago

1

Filtering Log Files with Regular Expressions

We're using the same syslog, and we want to display the date, time, and process id that's inside the square brackets. We can read each line of the syslog and pass the contents to the show_time_of_pid function. Fill in the gaps to extract the date, time, and process id from the passed line, and retur...

Submitted by anonymous - 5 months ago

1

URL Parts Extractor

Extracts parts of an URL into regex groups: ((?:(?:http|ftp|ws)s?|sftp):\/\/?)?(group 1): extracts the protocol (+\.+|localhost)(group 2): extracts the hostname (:\d+)?(group 3): extracts the port number ((?:\/\w+)\/)?([\w\-.]++)?(groups 4 & 5)*: extracts the path part (+)?(group 6): extracts the qu...

Submitted by Elie Grenon (elie-g) - 5 months ago

1

Timestamps

Recognizes timestamps with the technical timestamp format.

Submitted by Alejandro, Andreu - 5 months ago

1

Matching CSS Properties

Submitted by Luidenka - 5 months ago

1

Email with special characters

Built using this specification

Submitted by studium-inexorabile - 5 months ago

1

Word boundary with umlauts

Word boundary \b does not support umlauts.

Submitted by StephanGeorg - 4 months ago

1

Uzbekistan passport regex

Uzbekistan passport regex

Submitted by Elbek Khamdullaev (elbek.me) - 4 months ago

1

Only if before

Only if needle is before target

Submitted by anonymous - 4 months ago

1

Decimal digit with some text pattern at the end.

[0-9]+\.?[0-9,]* ?(?:UI|IU|MCG|G|I.U|I.U.|MG|ML|GM)(?:\/?[0-9]+\.?[0-9]* ?(?:UI|IU|MCG|G|I.U|I.U.|MG|ML|GM))?

Submitted by anonymous - 4 months ago

1

Mobile Number (with country code)

Basic Regex to validate mobile numbers, with country code

Submitted by Ashutosh Mishra - 4 months ago

1

uzbekistan phone number

uzbekistan phone number

Submitted by Elbek Khamdullaev - 4 months ago

1

Select songs starting with 3+ numbers but not 1|2

Select songs starting with odd numbers like 3+ numbers(001 - song.mp3, 000004 - song.mp3), but not simple ones 1|2 like (01 - song.opus or 1 - song.mp3) : 01 - The Black Eyed Peas - The Time (Dirty Bit).opus 0000000 - Nelly Furtado - Say It Right.mp3 ...

Submitted by anonymous - 3 months ago

1

Secret HTML Comment

This REGEX can be used for, e.g., PHP scripts to filter out comments that are only important for development.

Submitted by anonymous - 3 months ago

1

capitalAfterVowel

Given a string, make every consonant after a vowel uppercase.

Submitted by anonymous - 3 months ago

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