/** this regex should match most cases where the user forgets to put an operator somewhere and add an OR, it still does not handle nested square brackets but those are invalid anyways this page has an explanation https://regex101.com/r/fF7wO1/2 * the way this regex grabs conflicting matches is b...

Pattern matches mails in a single line with right syntax. Exceptions double dots in mail (..) will not handled.

match all names except those with '.go' extension

Phát hiện link website lạ trong trang web của mình. – Đầu vào: https://ok1.url.com http://ok2.url.com https://not.ok.temp.com http://not-ok.either.w3.com...

Chỉ lấy ký tự trong ngoặc vuông []

Remove /../ recursively from urls

This matched any instantation of variable in some programming languages

get video id from any version of youtube url

valida el formato del registro federal de contribuyentes de México.

The string '{}' is valid while '{{}' is invalid as well as '}{'. Now, is this one valid: '{{{{v{a{l{{i{d or }i}}}n}v}}al}i}d?' ?