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  1. import java.util.regex.Matcher;
  2. import java.util.regex.Pattern;
  3.  
  4. class Main
  5. {
  6. 	public static void main (String[] args) throws java.lang.Exception
  7. 	{
  8.     	Pattern p = Pattern.compile("^(\\w+(?:-\\w+)?)\\s+=\\s+\"(.*)\"");
  9.  
  10. 		Matcher m = p.matcher("item-one        = \"some new value\"");
  11. 		m.find();
  12. 		String option = m.group(1);
  13. 		String value = m.group(2);
  14. 		System.out.println(option+" -> "+value);
  15.  
  16. 		m = p.matcher("item        = \"some value\"");
  17. 		m.find();
  18. 		option = m.group(1);
  19. 		value = m.group(2);
  20. 		System.out.println(option+" -> "+value);
  21.  
  22. 	}
  23. }
Success #stdin #stdout 0.07s 380224KB
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stdin
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Standard input is empty
stdout
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item-one -> some new value
item -> some value
https://ideone.com/0Hqe1q
language:
Java (12.0.1)
created:
12 years ago
visibility:
public

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