RosettaCodeData/Task/String-matching/Retro/string-matching.retro

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: startsWith? ( $1 $2 - f )
withLength &swap dip 0 swap ^strings'getSubset compare ;
"abcdefghijkl" "abcde" startsWith?
"abcdefghijkl" "bcd" startsWith?
"abcdefghijkl" "bcd" ^strings'search
"abcdefghijkl" "zmq" ^strings'search
: endsWith? ( $1 $2 - f )
swap withLength + over getLength - compare ;
"abcdefghijkl" "ijkl" endsWith?
"abcdefghijkl" "abc" endsWith?