No special char allowed but spaces are o

[Anon]

Hi,

I want to do a validation for a field which can hav a-z, A-Z, 0-9 & spaces in it but no speical characters. Please Help!!

Thanks

[Anon]

if(preg_match("/[^{A-Z|a-z|0-9|\s],$string)){}
print "Contains un-allowed characters";
}

[Anon]

OOPS.......

if(preg_match("/[^{A-Z|a-z|0-9|\s]/",$string)){}
print "Contains un-allowed characters";
}