Java: split() method with pipe special character

Question

I have a String = \"Hello-new-World\". And when i use the split() method with different regex values, it acts differently.

String str = \"Hello-new-world\"
Strin         


        

Answer 1

An unescaped | is parsed as a regex meaning "empty string or empty string," so use

str.split("\\|");

| having special meaning OR in regex