How to remove the carriage return from string while pasting content to Excel file

Question

I have a problem while pasting my contents (or text) generated by Java code into excel. The problem is that my Java code generates a String with multiple lines, i.e. with li

Answer 1

Do you want the carriage return / newline, or don't you? Your title says that you don't, your code is explicitly adding carriage returns when the string has a newline. If you want to get rid of both, use String.replaceAll(), which takes a regex:

public static void main(String[] argv)
throws Exception
{
    String s1 = "this\r\nis a test";
    String s2 = s1.replaceAll("[\n\r]", "");
    System.out.println(s2);
} 

This example finds any occurrence of the characters, and deletes them. You probably want to look for the sequence of characters and replace with a space, but I'll leave that up to you: look at the doc for java.util.regex.Pattern.

And I suspect that the "box" is some other character, not a return or newline.