RosettaCodeData/Task/String-matching/J/string-matching-3.j

   0 1 2 3 startswith 0 1               NB. integer
1
   4.2 5.1 1.3 9 3 contains 1.3 4.2     NB. floating point
0
   4.2 5.1 1.3 4.2 9 3 contains 1.3 4.2
1