Match the Q[^u] pattern against strings from command line : Basic Regular Expressions « Regular Expressions « Java

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Java » Regular Expressions » Basic Regular ExpressionsScreenshots 
Match the Q[^u] pattern against strings from command line
 

/*
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 * language and environment is gratefully acknowledged.
 
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 * inventing predecessor languages C and C++ is also gratefully acknowledged.
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import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Match the "Q[^u] pattern against strings from command line.
 
 @author Ian F. Darwin, http://www.darwinsys.com/
 @version $Id: RE_QnotU_Args.java,v 1.4 2004/02/09 03:33:42 ian Exp $
 */
public class RE_QnotU_Args {
  public static void main(String[] argv) {
    String patt = "^Q[^u]\\d+\\.";
    Pattern r = Pattern.compile(patt);
      Matcher m = r.matcher("RE_QnotU_Args");
      boolean found = m.lookingAt();
      System.out.println(patt + (found ? " matches " " doesn't match ")
          "RE_QnotU_Args");

  }
}

           
         
  
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