The beginning of a line, followed by 0 or more whitespace characters,[\r\n\t\f\v ] followed by the end of a line. SOURCE: https://stackoverflow.com/a/114861

This matches times that fall within the normal range of times 00:00 - 23:59. It also allows for no leading zero for times like 6:24.

Let's me extract time values from a conversation.

Una expresión regular para adjuntos con extensión zip . phising de microsoft

simple url to web site match (es6)

Matches decimal numbers as accepted by e.g. Octave.

This expression escapes characters, which have a special meaning in regex, like .?[]/ and so on. Use it to transform a string that you want to use literally in another regex. This is the second version, bug in replace string has been fixed.

WARNING: regex is uglier than your mom.

中文，英文大小写，_ , -

Matches subdomain, domain and top level in a field that contains a urls. https://www.whatever.you.want ---> whatever.you.want

auto prefix ("/") to folder