get files extension

regex for get video id in link

Calcolo 1° indirizzo mail da stringa con indirizzo fisso.

match an group in re.sub pattern but no replace it !

Attempting to match valid US phone number formates

用例の検索のために使用した正規表現です。

Extract the numerical ID of a VK Commmunity fromit's wall url.

must use at least three of the four available character types: lowercase letters, uppercase letters, numbers, and symbols.

192.168.254.1 match 0.0.0.0 match 01.01.01.01 does not match 255.255.255.255 match 255.0.0.0 match 0.0.0.256 does not match

test

replace url that has a hash or slash with slash

command df -T on linux udev devtmpfs 65928068 0 65928068 0% /dev tmpfs tmpfs 13190576 304608 12885968 3% /run /dev/mapper/pve-root ext4 98559220 50337808 43171864 54% / tmpfs tmpfs 65952876 46800 65906076 1% /dev/shm...

Regex that identifies unescaped double quotes in strings

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Remove HTML tags from a string using JavaScript and RegEx

Match a single character present in the list below [6-9] 6-9 matches a single character in the range between 6 (index 54) and 9 (index 57) (case sensitive) Match a single character present in the list below [0-9] {9} matches the previous token exactly 9 times 0-9 matches a single character in the ra...

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)