fork download 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.nio.file.*;
  4. import java.util.regex.*;
  5.  
  6. class Ideone
  7. {
  8. 	public static void main (String[] args) throws java.lang.Exception
  9. 	{
  10.         String path="C:\\cresttest\\parent_3\\child_3_1\\child_3_1_.txt";
  11.  
  12.         final String slash="\\\\";
  13.  
  14.         path=path.replaceFirst(slash+"[^"+slash+"]+"+slash, "$0NEW_PATH"+slash);
  15.  
  16.         System.out.println(path);
  17. 	}
  18. }
Success #stdin #stdout 0.1s 320512KB
comments (?)
stdin 
Standard input is empty
stdout 
C:\cresttest\NEW_PATH\parent_3\child_3_1\child_3_1_.txt
https://ideone.com/Q34EaM
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!