and sometimes even 'case' to denote the case-insensitive version. To be fair, that's copied from libc (and a lot of the other naming in the string library too)

and sometimes even 'case' to denote the case-insensitive version. To be fair, that's copied from libc (and a lot of the other naming in the string library too): http://linux.die.net/man/3/strcasestr http://linux.die.net/man/3/strcasestr