Matching at the front of a string.

[Larry Reeder]

Hi, 

We're trying to use jakarta-regexp-1.2 to match a list of computer names
against a user-supplied regular expression.  We've run into a problem
where users try to give the beginning of a computer name to get a match of
allcomputers whose names begin with the string.  What we're doing is
pretty similar to the example program below:



import org.apache.regexp.*;

public class retest {

  public static void main(String[] args) {

    String regexString = "^abc";
    String comparisonString = "abcc";

    try {

       RE regex = REUtil.createRE(regexString, RE.MATCH_NORMAL |
RE.MATCH_SINGLELINE);
       if (regex.match(comparisonString) ) {
         System.out.println("string " + comparisonString + " matches regex" + 
regexString);
       } else {
         System.out.println("string " + comparisonString + " doesn't match 
regex " + regexString);
       }

    } catch (Exception exc) {
      System.err.println("caught exception " + exc.getMessage() );
    }

  }

}


Suprisingly, this always returns "string abcc doesn't match regex ^abc".
It seems like "^abc" should match against "abcc".  Am I setting my match
flags wrong, or will "^abc" only match "abcc" if there's a newline in
front of "abcc"?


Thanks...........   Larry




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