Count Substring Modifier

Returns the number of occurrences of search term in a given string. By default,
the comparison is case-insensitive, but can be made sensitive by setting the second parameter to true.

quote: |
  Dude! You got a tattoo!
  So do you, dude! Dude, what does my tattoo say?
  Sweet! What about mine?
  Dude! What does mine say?
  Sweet! What about mine?
  Dude! What does mine say?

{{ quote | count_substring('dude') }}

{{ Statamic::modify($quote)->countSubstring('dude') }}

5