This regex will help you to parse html tag. Example ...

It will validate linkedin profile url validation in client side. using javascript

regex to match skype name

Yuque

Extract the URL (http(s) only) of a given iframe's src attribute.

Validate CSS Names

regular expression to pull all css classes from a html file.

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^(((\d{3}[1-9]|\d{2}[1-9]\d|\d[1-9]\d{2}|[1-9]\d{3})(\/)(((0[13578]|1[02])(\/)(0[1-9]|[12]\d|3[01]))|((0[469]|11)(\/)(0[1-9]|[12]\d|30))|(02(\/)(0[1-9]|[1]\d|2[0-8]))))|(((\d{2})(0[48]|2468|13579)|((0[48]|2468|3579)00))(\/)02(\/)29))$ Match year/month/day format. e.g: 2020/02/29 [match] 2021/02/29 ...

^(((\d{3}[1-9]|\d{2}[1-9]\d|\d[1-9]\d{2}|[1-9]\d{3})(\/)(((0[13578]|1[02])(\/)(0[1-9]|[12]\d|3[01]))|((0[469]|11)(\/)(0[1-9]|[12]\d|30))|(02(\/)(0[1-9]|[1]\d|2[0-8]))))|(((\d{2})(0[48]|2468|13579)|((0[48]|2468|3579)00))(\/)02(\/)29))$ Match year/month/day, date format. E.g: 2021/08/25 [match] 2021/...

check dir is illegal or not

Matches the output of zpool status -v. Use preg_match_all with PREG_SET_ORDER to match multiple pools

For change var in config file on python

Capture of chandlers wild good morning messages

Semantic Versioning to fix broken pkg-config

Semantic Versioning to fix broken pkg-config

Regex completa per il CF. Controllo anche i casi di omocodia.

finding all anchor tags to help with removing their href attribute

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Utilize " -- " as a Token and strips from the token to the end of the line.