Count occurrences of a substring: Difference between revisions

=={{header|Ruby}}==

<lang ruby>irb(main):001:0> "the three truths".scan("th").count

=> 3

irb(main):002:0> "ababababab".scan("abab").count

=> 2</lang>

String#scan returns an array of substrings, and Array#count (or Array#length or Array#size) counts them.