Bug 203204 [Regression] Error occors when preview the attached report design as XLS [1203]
engine/org.eclipse.birt.report.engine.emitter.prototype.excel/src/org/eclipse/birt/report/engine/emitter/excel/ExcelUtil.java
{
    	   if(val.indexOf( "E" ) >= 0){
    	      return "Scientific";
    	   }
    	   return new NumberFormatter(val).getPattern( );	
    	}
    	
    	else if(val != null && data instanceof String)
    	{
    		return new StringFormatter(val).getPattern( );
    	}
    	
    	return null;
    }
	
	public static String getValue( String val )
	{
		if ( val == null )
		{
			return StyleConstant.NULL;
		}
		if ( val.charAt( 0 ) == '"' && val.charAt( val.length( ) - 1 ) == '"' )
		{
			return val.substring( 1, val.length( ) - 1 );
		}
		return val;
	}
	public static int convertToPt( String size )
	{
		try