Simple search of string length with the regexp

This regex matches i18next library resource keys

regex for user name with criteria: Minimum 2 character Maximum 30 character Character must be alphanumeric, except first character is alphabetical Character "_" and "." is allowed once between first and last character

Detects UK postcodes (minimal edge cases)

Detects specific prefixes followed by number series

Detects specific word in a sentence

Add DR to end of line

Stuff for a dnd thing

完形填空

非法发

Match Brazilian documents

Working on a regex to extract path and query params

Look for all entries of a country on a list that can have repeated values

detect uuid V4 in string case insensitive. matches: 1d95e013-3c09-4883-88f1-4337ba0b8ddc AND 1D95E013-3C09-4883-88F1-4337BA0B8DDC

19h32min16s

Purpose This pattern is used to parse human readable text strings regarding file sizes. The pattern names four capture groups in the string for the following purposes: ...

SUBTOTAL 15.88

K

wifiwnsml

email regex with subdomain