Text cleaning and replacement: delete \n from a text in Java

Question

I\'m cleaning an incoming text in my Java code. The text includes a lot of \"\\n\", but not as in a new line, but literally \"\\n\". I was using replaceAll() from the String

Answer 1

I believe replaceAll() is an expensive operation. The below solution will probably perform better:

String temp = "Hi \n Wssup??";          
System.out.println(temp);

StringBuilder result = new StringBuilder();

StringTokenizer t = new StringTokenizer(temp, "\n");

while (t.hasMoreTokens()) {
    result.append(t.nextToken().trim()).append("");
}
String result_of_temp = result.toString();

System.out.println(result_of_temp);