/*license*\
   XBN-Java: Copyright (C) 2014, Jeff Epstein (aliteralmind __DASH__ github __AT__ yahoo __DOT__ com)

   This software is dual-licensed under the:
   - Lesser General Public License (LGPL) version 3.0 or, at your option, any later version;
   - Apache Software License (ASL) version 2.0.

   Either license may be applied at your discretion. More information may be found at
   - http://en.wikipedia.org/wiki/Multi-licensing.

   The text of both licenses is available in the root directory of this project, under the names "LICENSE_lgpl-3.0.txt" and "LICENSE_asl-2.0.txt". The latest copies may be downloaded at:
   - LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt
   - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
\*license*/
package  com.github.xbn.examples.regexutil.non_xbn;
   import  java.util.regex.Matcher;
   import  java.util.regex.Pattern;

/**
   <p>Split a string on the <i>first instance only</i> of a specific character--such as {@code "test1=test1="} to {@code "test1" and "test1="}.</p>

   <p>{@code java com.github.xbn.examples.regexutil.non_xbn.SplitOnFirstInstanceOfCharOnlyXmpl}</p>

 * @since  0.1.0
 * @author  Copyright (C) 2014, Jeff Epstein ({@code aliteralmind __DASH__ github __AT__ yahoo __DOT__ com}), dual-licensed under the LGPL (version 3.0 or later) or the ASL (version 2.0). See source code for details. <a href="http://xbnjava.aliteralmind.com">{@code http://xbnjava.aliteralmind.com}</a>, <a href="https://github.com/aliteralmind/xbnjava">{@code https://github.com/aliteralmind/xbnjava}</a>
**/
public class SplitOnFirstInstanceOfCharOnlyXmpl  {
   public static final void main(String[] ignored)  {
      String sToSplit = "test1=test1=";

      System.out.println("Without regex:");

         int ixEqual = sToSplit.indexOf("=");
         if(ixEqual == -1)  {
            System.out.println("Split char '=' not found.");
            return;
         }

         System.out.println("Pre 1st: \"" + sToSplit.substring(0, ixEqual) + "\"");
         System.out.println("Post 1st: \"" + sToSplit.substring(ixEqual + 1, sToSplit.length()) + "\"");

      System.out.println("With regex:");

         //Non-greedy, to go up to the *first* equals sign
         Matcher m = Pattern.compile("(.*?)=(.*)").matcher(sToSplit);
         if(m.matches())  {
            System.out.println("Pre 1st: \"" + m.group(1) + "\"");
            System.out.println("Post 1st: \"" + m.group(2) + "\"");
         }
   }
}