for( int i = 0; i < sizeof(inData);  ++i )
inData[i] = (char)0;

inData[0] = (char)0;

#include <LiquidCrystal.h>

char inData[20];
char inChar;
byte index = 0;

void setup(){
 Serial.begin(9600);
}

void loop() {
while(Serial.available() > 0) {
  if(index < 19) {
      inChar = Serial.read();
      inData[index] = inChar;
      index++;
      inData[index] = '';
 }
}

 if(inData[0] == ':') {
   Serial.println(inData + 1);
delay(100);
//clear char
  }

  else{
   if(inData[0] == ';') {
     Serial.println("working!!");
delay(100);
//clear char
  }

  }
 }