<%@include file="/include/handler.jsp"%><%    String title = "Help";    int tab = 6;        String regexpr = request.getParameter("regexpr");    String testLines = request.getParameter("testLines");%><%@include file="/include/head.jsp"%><%@page import="java.util.ArrayList,java.util.regex.PatternSyntaxException"%><%@page import="org.archive.util.TextUtils"%><p>    <b>Heritrix online help:</b> Regular expressions in java<p><table width="600">    <tr>        <td>            All regular expressions used by Heritrix are Java regular expressions.            <p>            Java regular expressions differ from those used in Perl, for example, in             several ways. For detailed info on Java regular expressions see the             Java API for <code>java.util.regex.Pattern</code> on Sun's homepage             (<a href="http://java.sun.com">java.sun.com</a>).             <p>            For API of Java SE v1.4.2 see            <a href="http://java.sun.com/j2se/1.4.2/docs/api/index.html">            http://java.sun.com/j2se/1.4.2/docs/api/index.html</a>,            it is recommended you lookup the API for the version of Java that is            being used to run Heritrix.        </td>    </tr>    <tr>        <td><p>&nbsp;</p></td>    </tr>    <tr>        <td nowrap>            <form method="Post">	            Test reg.expr.: <input name="regexpr" size="78" value="<%=regexpr==null?"":regexpr%>"><br>	            <textarea name="testLines" rows="10" cols="70"><% 	               if(testLines != null){	                   out.print(testLines);	               }	            %></textarea><br>	            <input type="submit" value="Test reg.expr.">            </form>        </td>    </tr>    <%        if(regexpr != null && testLines != null){            // First, cut the testLines into lines.            java.util.ArrayList lines = new ArrayList();            int newLine = testLines.indexOf("\n");            while( newLine > -1 ){                lines.add(testLines.substring(0,newLine-1));                testLines = testLines.substring(newLine+1);                newLine = testLines.indexOf("\n");            }            lines.add(testLines); //the last line.    %>        <tr>            <td>                &nbsp;<p>                <b>Results:</b> (bold lines were matched)                <p>                <pre><%                    try{	                    for(int i=0 ; i < lines.size() ; i++){	                        String tmp = (String)lines.get(i);	                        if(TextUtils.matches(regexpr, tmp)){	                            // Matches, make bold	                            tmp = "<b>"+tmp+"</b>";	                        }	                        out.println(tmp);	                    }			        } catch (PatternSyntaxException e){			            out.println(e.getMessage());			        }                %></pre>            </td>        </tr>    <%        }    %></table><%@include file="/include/foot.jsp"%>