code: public static String replaceDoubleSingleQuotes( String value )
  	{
  		int idx = value.indexOf("''");
  		if (idx == -1)
  			return value;
  		
  		int len = value.length();
  		int pos = 0;
  		StringBuilder sb = new StringBuilder(len);
  		while (idx != -1)
  		{
  			if (idx > pos)
  			{
  				sb.append(value.substring(pos, idx));
  				pos += (idx-pos);
  			}
  			
  			sb.append("'");	
  			pos+=2;
  			
  			idx = value.indexOf("''",pos);
  		}
  		if (pos < len)
  			sb.append(value.substring(pos, len));
  			
  		return sb.toString();
  	}
docs: Replace double single quotes in the target string