H
s/^/|/
,j
t0
t0
1s/^(.*)(.*)\|\1$/String \1\2 starts with \1/
1s/^(.*)\|(.*)/String \1 does not start with \2/
2s/^(.*)(.*)(.*)\|\2$/String \1\2\3 contains \2/
2s/^(.*)\|(.*)/String \1 does not contain \2/
3s/^(.*)(.*)\|\2$/String \1\2 ends with \2/
3s/^(.*)\|(.*)/String \1 does not end with \2/
,p
Q