String begins with 3 digits + whitespace character + any length of characters + white space + 3 digits

Test the URL or domain

categorias

Comprueba que la contraseña tiene más de 6 caracteres. Comprueba que la contraseña tiene como mínimo 2 números. Comprueba que la contraseña tiene un caracter en mayuscula.

get software title + version

Splitting string on parts. Able quoted strings and escaped chars. Without optimizations. command arg1 "string arg \"qoute\" demo" arg3

Matches either 01234567-89ab-4def-0123-456789abcdef or 0123456789ab4def0123456789abcdef

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.

Searches for specific MMM ~ yyyy

Finds a page where a bracket is the first char on a line not preceeded by a newline

If you have a sentence in a log file like "2 of 4 pictures converted successfully" and you need to know the numbers you can use this regex and use the group variable.