Regular Expressions 101

This is a bit simpler version that is still quite robust. It was taken from a Formik example.

Simple link mardown detection with a title text

Visual tag and Back tag cannot more than 15 characters or only can contain uppercase, lowercase, space and dash.

detect discord invite links such as: discord.gg/link discord.com/invite/link .gg/link .com/invite/link it also puts the link into a separate name group, so you can do http requests and stuff edited cuz whitespacing

Convert camelCase to snake_case def camelCase2snake_case(txt): """ Convert camelCase to snake_case https://regex101.com/library/wUcSv4 """ txt = re.sub(r'(A-Z]+)', '_\\1', txt.strip()) txt = txt.lower() return txt In Python 🐍 the \L case modifier in the substitution pattern to lower case is not supported. By [JV-conseil

For example, using `Carl-bot to dump members of the @everyone role ordering highest of id`: `!dump @everyone %i:%u -o id` Example of return: 498984530968051713:lanjt#2129 ... Matches with group ID, group NAME and group DISCRIMINATOR.

Regex for matching https://mega.nz file and folder URLs. https://github.com/tonikelope/megabasterd/issues/215

example

Viet Nam Phone Number Regex. This regex include: Cellphone number: Viettel, Vinaphone, Mobiphone, Vietnamobile, Iteltelecom, Reddi (055) Telephone number (such as: 024, 028,...) Start with 0 or 84 Exactly 10 or 11 numbers

Convert a bare url into organization/repo format in a Markdown link.

Parses the text following a '#' and a space all the way up to the next return character. Additional #'s can be added for parsing of other type of headings!

Extract URL parts only named capturing groups

Match any layer bracket pair

In order to neasting parsing work you need to run this regex multiple times on same target.

This RegEx removes unused elements such as inline comments and blank lines in python code. This will save you tokens and time when using GPT-3+ or ChatGPT to help code and debug.

Checks validity of an EA number first two digits 01-12 followed by hyphen then a number from 0-4 and then 4 numbers or uppercase letters and ending in a 1 or 4 for example "05-1J7601". Adding a capital C to the beginning is also accepted "C05-1J7601", along with the entry of 2 X's hyphen and 6 X's "XX-XXXXXX"

POSIX ERE compatible, suitable for usage in Bash [ testing Attributions Derived from [regex101: RFC1918 - Private IPv4 addresses by 0100101101001.

.Net regular expression for resolving placeholders in the format of ${rewriter(multilevel:key)?fallback} (+ variations)

japanese text to bold japanese text 食べるんだ 食べるんだ

Strip all HTML tags from a string. HTML tags are enclosed in . The regex will be applied on a line-by-line basis, meaning partial tags will need to be handled by the regex. Don't worry about opening or closing tags; we just want to get rid of them all. Note: This task is meant to be a learning exercise, and not necessarily the best way to parse HTML