Can someone help me to understand below statement

Question

scanner.skip("(r\n| [\n\r\u2028\u2029\u0085])?");
Please someone explain about this

Answer 1

Have a look at this:
https://stackoverflow.com/questions/52111077/explain-this-line-written-in-java
https://stackoverflow.com/questions/52990475/what-does-scanner-skip-r-n-n-r-u2028-u2029-u0085-do?noredirect=1&lq=1