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Given a string, return a string where every appearance of the lowercase word "is" has been replaced with "is not". The word "is" should not be immediately preceeded or followed by a letter -- so for example the "is" in "this" does not count. (Note: Character.isLetter(char) tests if a char is a letter.) notReplace("is test") → "is not test" notReplace("is-is") → "is not-is not" notReplace("This is right") → "This is not right" ...Save, Compile, Run (ctrl-enter) |
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Difficulty: 333.0
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