isAscii()

Analyse if a char is Ascii. Returns true if thisChar contains an Ascii character. isAscii(thisChar)
thisChar: variable. Allowed data types: char. true: if thisChar is Ascii.
		
if (isAscii(myChar)) {  // tests if myChar is an Ascii character
  Serial.println("The character is Ascii");
}
else {
  Serial.println("The character is not Ascii");
}