ProgramsLogic building

Phase 5 - Category 2: Character Operations

Master character-level string operations.

10 programs · open one, then the next

Start with Print First Character
  1. 01Print First CharacterBeginnerPrint first character of string.Open example →
  2. 02Print Last CharacterBeginnerPrint last character of string.Open example →
  3. 03Print Each CharacterBeginnerPrint each character on new line.Open example →
  4. 04Count Uppercase CharactersBeginnerCount uppercase characters in string.Open example →
  5. 05Count Lowercase CharactersBeginnerCount lowercase characters in string.Open example →
  6. 06Count Digits in StringBeginnerCount digit characters in string.Open example →
  7. 07Count Special CharactersIntermediateCount special characters in string.Open example →
  8. 08Toggle CaseIntermediateToggle case of each character.Open example →
  9. 09Remove VowelsIntermediateRemove all vowels from string.Open example →
  10. 10Remove ConsonantsIntermediateRemove all consonants from string.Open example →