Characters
- isAlpha()
- isAlphaNumberic()
- isAscii()
- isControl()
- isDigit()
- isGraph()
- isHexadecimalDigit()
- isLowerCase()
- isPrintable()
- isPunct()
- isSpace()
- isUpperCase()
- isWhitespace()
专题
ArduinoisUpperCase()
Analyse if a char is upper case (that is, a letter in upper case). Returns true if thisChar is upper case.
Syntax
isUpperCase(thisChar)
Parameters
thisChar: variable. Allowed data types: char.
Returns
true: if thisChar is upper case.
Example Code
if (isUpperCase(myChar)) { // tests if myChar is an upper case letter
Serial.println("The character is upper case");
}
else {
Serial.println("The character is not upper case");
}
