/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String rx = "(.*)//";
		Pattern p = Pattern.compile(rx);
		Matcher matcher = p.matcher("test-suite-test3/route/0/processors/0/processors/0 @ logger-extension-test-application:test-suite.xml:87 (APP:CUSTOM_ERROR)");
		if (matcher.find()){
			System.out.println(matcher.group());
		}
	}
}

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