For instance in the string: /bla/di/bla/file.extention it would match: /bla/di/bla/

This is a javascript regular expression to validate characters not allowed on folder names. Some of them are not allowed at any place and other only at the beginning or the end. The characters not allowed at the beginning or the end are: Blank space Dot (.)...

Validate date in format DD/MM/YYYY HH:mm generaly used in Brazil. With hour in 24 hours format and validating leap year too, optional time.

matches a NFS share valid URL.

Matches full get/set property signature of C#

Captura la URL de la etiqueta SRC, filtrada por un grupo de captura de extensiones de archivo de imagenes

Replace all the characters but digits and minus sign.