content: package org.github;
  
  /**
   * Detect HTML markup in a string
   * This will detect tags or entities
   *
   * @author dbennett455@gmail.com - David H. Bennett
   *
   */
  
  import java.util.regex.Pattern;
  
  public class DetectHtml
  {
  	// adapted from post by Phil Haack and modified to match better
  	public final static String tagStart=
  		"\\<\\w+((\\s+\\w+(\\s*\\=\\s*(?:\".*?\"|'.*?'|[^'\"\\>\\s]+))?)+\\s*|\\s*)\\>";
  	public final static String tagEnd=
  		"\\</\\w+\\>";
  	public final static String tagSelfClosing=
  		"\\<\\w+((\\s+\\w+(\\s*\\=\\s*(?:\".*?\"|'.*?'|[^'\"\\>\\s]+))?)+\\s*|\\s*)/\\>";
  	public final static String htmlEntity=
  		"&[a-zA-Z][a-zA-Z0-9]+;";
  	public final static Pattern htmlPattern=Pattern.compile(
  	  "("+tagStart+".*"+tagEnd+")|("+tagSelfClosing+")|("+htmlEntity+")",
  	  Pattern.DOTALL
  	);
  
  	/**
  	 * Will return true if s contains HTML markup tags or entities.
  	 *
  	 * @param s String to test
  	 * @return true if string contains HTML
  	 */
  	public static boolean isHtml(String s) {
  		boolean ret=false;
  		if (s != null) {
  			ret=htmlPattern.matcher(s).find();
  		}
  		return ret;
  	}
  
  }
  