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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

quote text

Match a html tag.

See quotes that are not delimiters

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

Regex for email validation

Find Search Queries that ends with a particular keyword or keywords

Find search queries that begin with a specific keyword/keywords

Check WP admin pages that are indexed

Check to see if site has been compromised with injected content

View queries based on intent for transactional queries

Show queries that define different user intent based on commercial queries.

Show queries that define user intent based on navigation