L1 = {w ∈ Σ ∗ = {0, 1} ∗ | |w|0 = 2k, k ∈ N}

L012 = {w ∈ Σ | |w|000 = 0} ∗ = {0, 1} ∗ | |w|000 = 0}

L2 = {w ∈ Σ ∗ = {0, 1} ∗ | |w|1 = 2k + 1, k ∈ N}

convert 16 chars into four hyphen separated groups

I wrote this regex to find all of the function headers in java.

replace static url tags in templates from flask to django

JS/TS regex for token validation.

A regex to match against Roblox cookies. Two captures; the first is the warning text; the second is the cookie itself.

A simple regex to match API keys for OpenWeather map. Matches 32 hexadecimal character strings.

Get a Match for every table in a markdown file.

Get the whole row except the header delimiter

Extract the phone numbers and email addresses from a string

Get all table from sql query string | 从SQL查询语句中获取所有表名。 WelineFramework PHP8 。

get image's link and alt in Markdown

Regex, find almost all text between html tags, for laravel translation

Matches most of the URLs I through at it. Did not find any ULR that it doesn't match yet.

Matches Gregorian Date Pattern Completed Challenge from Codewars

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validacion de regex

This regex matches the Transact SQL statement for selecting the database and creating a view.