validate non-ASCII characters

[brio]

hey, i'm having a bit of trouble trying to find a function that can validate non-ASCII characters in PhP on a form (accents,é,í,ó,ú,ã,etc).
Please help me, i'm lost!

[mlseim]

What do you mean by validate?

To remove special characters, or to check for them ...??

[brio]

to check for them

[scrupul0us]

unicode? :shrugs: