import java.util.*;
import java.lang.*;
import java.io.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String s = "Line1.\r\nLine2.\rLine3.\nLine4\r\nLine5";
		String rx_R = "(?:\\u000D\\u000A|[\\u000A\\u000B\\u000C\\u000D\\u0085\\u2028\\u2029])";
		String res = s.replaceAll("(\\." + rx_R + ")|" + rx_R, "$1");
		System.out.println(res);
		System.out.println(res.replace("\r", "CR").replace("\n", "LF"));
	}
}

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