fork(7) download
copy 
  1.     import java.util.*;
  2.     import java.io.*;
  3.     import java.util.regex.*;
  4.     import java.util.List;
  5.  
  6.     class Program {
  7.     public static void main (String[] args) throws java.lang.Exception	{
  8.  
  9.     String subject = ".+*?[^]$(){}=!<>|:-\\";
  10.     String sanitized = subject.replaceAll("[.\\+*?\\[^\\]$(){}=!<>|:-\\\\]", "\\\\$0");
  11.     System.out.println(sanitized);
  12.  
  13.     // Second example
  14.     System.out.println("\nSecond Example in Reply to Comment");
  15.     String sanit2 = "(?<=" + "/me".replaceAll("[.\\+*?\\[^\\]$(){}=!<>|:-\\\\]", "\\\\$0") + ").*";
  16.     System.out.println(sanit2);
  17.     Matcher m = Pattern.compile(sanit2).matcher("/me eats"); 
  18.     System.out.println(m.find());
  19.     System.out.println(m.group());
  20.  
  21.  
  22.     } // end main
  23.     } // end Program# your code goes here
Success #stdin #stdout 0.08s 380160KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
\.\+\*\?\[\^\]\$\(\)\{\}\=\!\<\>\|\:-\\

Second Example in Reply to Comment
(?<=/me).*
true
 eats
https://ideone.com/feZMxj
http://stackoverflow.com/q/23707566/
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
secret

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!