How do I remove Items in an array?

Projects General Guidance
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You want to parse a string that is delimited with a character thing of some sort, correct? If that's the case here is some code I use to parse a string received from serial containing several pieces of information.

void fParseLIDAR_ReceivedSerial ( void * parameters )
{
  // distribute received LIDAR info
  String sTmp = "";
  sTmp.reserve ( 20 );
  String sMessage = "";
  sMessage.reserve ( StringBufferSize300 );
  for ( ;; )
  {
    EventBits_t xbit = xEventGroupWaitBits (eg, evtParseLIDAR_ReceivedSerial, pdTRUE, pdTRUE, portMAX_DELAY) ;
    xQueueReceive ( xQ_LIDAR_Display_INFO, &sMessage, QueueReceiveDelayTime );
    int commaIndex = sMessage.indexOf(',');
    sTmp.concat ( sMessage.substring(0, commaIndex) );
    sMessage.remove( 0, (commaIndex + 1) ); // chop off begining of message
    if ( sTmp == "!" )
    {
      xSemaphoreGive ( sema_LIDAR_OK );
      //  Display info from LIDAR
      sLIDAR_Display_Info = sMessage;
    }
    if ( sTmp == "$" )
    {
      xEventGroupSetBits( eg1, evtResetWatchDogVariables );
    }
    if ( sTmp == "#")
    {
      xSemaphoreTake( sema_LIDAR_Alarm, xSemaphoreTicksToWait );
      sLIDAR_Alarm_info = sMessage;
      xSemaphoreGive( sema_LIDAR_Alarm );
      xEventGroupSetBits( eg, evtfLIDAR_Alarm );
    }
    sTmp = "";
    sMessage = "";
    xSemaphoreGive( sema_ParseLIDAR_ReceivedSerial );
  }
  vTaskDelete( NULL );
} // void fParseReceivedSerial ( void * parameters )

Perhaps the code will provide you with some useful info or not.