All code is usually tested, but rarely trusted.

You said it (so I'm just repeating what you said ;^).

m/\/([\w\d\.]+)$/
[download]

Remember that "\w" represents alphanumerics and underscore -- no need to add "\d" to a character class when "\w" is already there.

This will result in the desired output.

... for the three examples provided, but not for file names that contain dashes, plus-signs, tildes, colons, ... Better not to try to match the file name content (since you don't need to).