about | help | code help+videos | done | prefs |
Returns a String that has only the letters of the alphabet in the String argument. You may find Character.isLetter() helpful. For example, Character.isLetter('a') is true and Character.isLetter('2') is false. onlyLetters("apple!") → "apple" onlyLetters("#$@%&!") → "" onlyLetters("") → "" ...Save, Compile, Run (ctrl-enter) |
Progress graphs:
Your progress graph for this problem
Random user progress graph for this problem
Random Epic Progress Graph
Difficulty: 212 Post-solution available
Copyright Nick Parlante 2017 - privacy