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  1. import java.util.regex.Matcher;
  2. import java.util.regex.Pattern;
  3.  
  4. public class Main
  5. {
  6.    static void printMatch(String regex, String str, int... groups)
  7.    {
  8.       System.out.println("String = " + str);
  9.       System.out.println("Regex = " + regex);
  10.       Pattern p = Pattern.compile(regex);
  11.       Matcher m = p.matcher(str);
  12.       while (m.find())
  13.          for (int i: groups)
  14.             System.out.println("Group " + i + " = " + m.group(i));
  15.       System.out.println();
  16.    }
  17.  
  18.    public static void main(String[] args)
  19.    {
  20.    	  String regex = "\".+((?<=\")[^\"]*(?=\")|-).+\"";
  21.       printMatch(regex,  "\"this is a string \"xyz\" \"", 1);
  22.       printMatch(regex,  "\"this is a string - \"", 1);
  23.    }
  24. }
Success #stdin #stdout 0.07s 380224KB
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stdin
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Standard input is empty
stdout
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String = "this is a string "xyz" "
Regex = ".+((?<=")[^"]*(?=")|-).+"
Group 1 = xyz

String = "this is a string - "
Regex = ".+((?<=")[^"]*(?=")|-).+"
Group 1 = -
https://ideone.com/WglI9i
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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