[sgifford@sglaptop sgifford]$ perl /tmp/t4 abcd
Searching for [^a-z] starting at 4
Searching for [^a-z] starting at 3
Searching for [^a-z] starting at 2
Searching for [^a-z] starting at 1
Searching for [^b-z] starting at 4
Searching for [^b-z] starting at 3
Searching for [^b-z] starting at 2
Searching for [^c-z] starting at 4
Searching for [^c-z] starting at 3
Searching for [^d-z] starting at 4
alpha