fork download 
  1. somestring = "ABC deFgHij kLmN pQrS XYZ abcdEf mixedCaps mixeDCaps mIxedCaps mIxeDCaps T TT t tt"
  2. at_least_2_capitals = somestring.scan(/[A-Z][A-Z]+/)
  3. print at_least_2_capitals
  4. puts ""
  5. at_most_1_capitals = somestring.scan(/(?<![A-Z])(?!(?:[A-Z]){2,})(?:[A-Z])+/)
  6. print at_most_1_capitals
  7. puts ""
  8. at_most_2_capitals = somestring.scan(/(?<![A-Z])(?!(?:[A-Z]){3,})(?:[A-Z])+/)
  9. print at_most_2_capitals
  10. puts ""
  11. words_with_at_most_1_capitals = somestring.scan(/\b(?:\w(?:(?<![A-Z])|(?!(?:[A-Z]){1,})))+\b/)
  12. print words_with_at_most_1_capitals
  13. puts ""
Success #stdin #stdout 0.02s 7428KB
comments (?)
stdin 
Standard input is empty
stdout 
["ABC", "XYZ", "DC", "DC", "TT"]
["F", "H", "L", "N", "Q", "S", "E", "C", "I", "C", "I", "T"]
["F", "H", "L", "N", "Q", "S", "E", "C", "DC", "I", "C", "I", "DC", "T", "TT"]
["deFgHij", "kLmN", "pQrS", "abcdEf", "mixedCaps", "mIxedCaps", "T", "t", "tt"]
https://ideone.com/hImmZr
language:
Ruby (ruby 2.5.5)
created:
12 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!