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  1. import java.util.*;
  2. import java.util.regex.*;
  3. import java.lang.*;
  4. import java.io.*;
  5.  
  6. class Ideone
  7. {
  8. public static void main (String[] args) throws java.lang.Exception
  9. {
  10. String lines[] = {"100 - 200 mg", "100 (+/-) units"};
  11. Pattern p = Pattern.compile("\\([^()-]*-[^()]*\\)");
  12. for(String line : lines)
  13. {
  14. Matcher m = p.matcher(line);
  15. System.out.println(line + ": " + !m.find());
  16. }
  17. }
  18. }
Success #stdin #stdout 0.06s 2184192KB
stdin
Standard input is empty
stdout
100 - 200 mg: true
100 (+/-) units: false