code: public static Matcher getWildcardMatcher(String str, String expr)
      {
          return getWildcardMatcher(str, expr, false);
      }
docs: Returns <CODE>true</CODE> if the given string matches the given regular expression.
  @param str The string against which the expression is to be matched
  @param expr The regular expression to match with the input string
  @return An object giving the results of the search (or null if no match found)