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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Main
  5. {
  6. 	public static void main (String[] args) throws java.lang.Exception
  7. 	{
  8. 		   // your special characters
  9.     String regex = "+ – && || ! ( ) { } [ ] ^ ” ~ * ? : \\";
  10.     // building a valid regex out of above
  11.     regex = '(' + regex.replaceAll("([^\\s]{1,2})(?=(?:\\s+|$))",
  12.                                    "\\\\Q$1\\\\E").replace(' ', '|') + ')';
  13.  
  14.     // your string to be replaced
  15.     String str = "content:you&&me";
  16.     // actual replacement
  17.     str = str.replaceAll(regex, "\\\\$1");
  18.  
  19.     // printing the result
  20.     System.out.printf("********* replaced: [%s]%n", str);
  21.  
  22. 	}
  23. }
Success #stdin #stdout 0.08s 380224KB
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stdin
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Standard input is empty
stdout
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********* replaced: [content\:you\&&me]
https://ideone.com/onmcMy
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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