Match 1 is the IPID

Kafka topic name regex

helix word motion

(@url)([\s]=[\s])(?:')(.)(?:')(?:;)

it took me quite some time to figure out. I hope it'll be helful to someone else.

Spotify ID regex

chingo de cheves y desmadre

IBAN SPAIN WITH SPACES. ES12 1234 4567 8975 4662 (THIS IS AN EXAMPLE)

get the initial of a strings

Length must be 7 digits Every character must be an integer

cert regex

f

just p4 file command output match

n

REGEX per il progetto di tecnologie web

Matches all names in a Wikipedia List, excluding names with suffixes (eg. Jr., III, PhD, etc.) or multiple middle names.

This is from "Learning the Vi editor", chapter 6 page 96

simple mail regex

Telephone number regex

It will match if it's present only the exact word in a phrase, without any other words in the same sentence