string sanitizer for filename

Question

I\'m looking for a php function that will sanitize a string and make it ready to use for a filename. Anyone know of a handy one?

( I could write one, but I\'m worri

Answer 1

The following expression creates a nice, clean, and usable string:

/[^a-z0-9\._-]+/gi

Turning today's financial: billing into today-s-financial-billing