Some cases of ipv6 at string begin

x

simple, just adjust that: contains letters "l z n" (probably can be simplified but I dont know how) exlude anywhere "rtuasgc" dictionary taken from wordle JS file

Regex for yandex music track

提取src

Checks the registration number's validity

This regex allows you to access the last 4 charecters in a string and manipulate them however you want

Find two matching groups

java test string

CPR number is presented with or without a dash

Rejects first symbol if 0 and all other non number (doesn't includes .123 )

quote text

Match a html tag.

See quotes that are not delimiters

No trailing spaces or extra spaces max char 200 min 2 and hyphen and & only allowed

Currency with dollar sign, two decimals, negative allowed, starting with period ok

sdfsdfsdfsdf

in this one you should find a repeating sequence inside the substring. I have an example for you: in a string "abababc" - "ab" is a sequence that repeats more than once, so the answer will be "ababab" `repeat_inside('aaaaa') == 'aaaaa' repeat_inside('aabbff') == 'aa' repeat_inside('aababcc'...

Parses ISO date like: 2021-01-19T15:21:32.59+02:00 and returns these named groups: fulldate (full date and time) date (2021-01-19)...

a mission on py.checkio.org: Currency Style