Tan difícil utilizar esto ?
PHP Code:
// Stock by Neeeeeeeeeel.- -check special characters in a string-
stock contain_special_characters(const str[])
{
static len
len = strlen(str)
for (new i = 0; i < len; i++)
{
if (!isalpha(str[i]) && !isdigit(str[i]))
return 1;
}
return 0;
}