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isAlphaNumeric(thisChar)
Description
Analyse if a char is alphanumeric.
Parameters
thisChar: the char to be analysed.
Returns
True or false.
isAlpha(thisChar)
Description
Analyse if a char is is alpha.
Parameters
thisChar: the char to be analysed
Returns
True or false.
isAscii(thisChar)
Description
Analyse if a char is ASCII.
Parameters
thisChar: the char to be analysed
Returns
True or false.
isWhitespace(thisChar)
Description
Analyse if a char is a white space.
Parameters
thisChar: the char to be analysed
Returns
True or false.
isControl(thisChar)
Description
Analyse if a char is a control character.
Parameters
thisChar: the char to be analysed
Returns
True or false.
isDigit(thisChar)
Description
Analyse if a char is a digit.
Parameters
thisChar: the char to be analysed
Returns
True or false.
isGraph(thisChar)
Description
Analyse if a char is a printable character.
Parameters
thisChar: the char to be analysed
Returns
True or false.
isLowerCase(thisChar)
Description
Analyse if a char is a lower case character.
Parameters
thisChar: the char to be analysed
Returns
True or false.
isPrintable(thisChar)
Description
Analyse if a char is a printable character.
Parameters
thisChar: the char to be analysed
Returns
True or false.
isPunct(thisChar)
Description
Analyse if a char is punctuation character.
Parameters
thisChar: the char to be analysed
Returns
True or false.
isSpace(thisChar)
Description
Analyse if a char is a space character.
Parameters
thisChar: the char to be analysed
Returns
True or false.
isUpperCase(thisChar)
Description
Analyse if a char is an upper case character.
Parameters
thisChar: the char to be analysed
Returns
True or false.
isHexadecimalDigit(thisChar)
Description
Analyse if a char is a valid hexadecimal digit.
Parameters
thisChar: the char to be analysed
Returns
True or false.
Examples
  /*
  Character analysis operators
 Examples using the character analysis operators.
 Send any byte and the sketch will tell you about it.
 created 29 Nov 2010
 modified 2 Apr 2012
 by Tom Igoe
 This example code is in the public domain.
 */
void setup() {
  // Open serial communications and wait for port to open:
  Serial.begin(9600);
  while (!Serial) {
    ; // wait for serial port to connect. Needed for native USB port only
  }
  // send an intro:
  Serial.println("send any byte and I'll tell you everything I can about it");
  Serial.println();
}
void loop() {
  // get any incoming bytes:
  if (Serial.available() > 0) {
    int thisChar = Serial.read();
    // say what was sent:
    Serial.print("You sent me: \'");
    Serial.write(thisChar);
    Serial.print("\'  ASCII Value: ");
    Serial.println(thisChar);
    // analyze what was sent:
    if (isAlphaNumeric(thisChar)) {
      Serial.println("it's alphanumeric");
    }
    if (isAlpha(thisChar)) {
      Serial.println("it's alphabetic");
    }
    if (isAscii(thisChar)) {
      Serial.println("it's ASCII");
    }
    if (isWhitespace(thisChar)) {
      Serial.println("it's whitespace");
    }
    if (isControl(thisChar)) {
      Serial.println("it's a control character");
    }
    if (isDigit(thisChar)) {
      Serial.println("it's a numeric digit");
    }
    if (isGraph(thisChar)) {
      Serial.println("it's a printable character that's not whitespace");
    }
    if (isLowerCase(thisChar)) {
      Serial.println("it's lower case");
    }
    if (isPrintable(thisChar)) {
      Serial.println("it's printable");
    }
    if (isPunct(thisChar)) {
      Serial.println("it's punctuation");
    }
    if (isSpace(thisChar)) {
      Serial.println("it's a space character");
    }
    if (isUpperCase(thisChar)) {
      Serial.println("it's upper case");
    }
    if (isHexadecimalDigit(thisChar)) {
      Serial.println("it's a valid hexadecimaldigit (i.e. 0 - 9, a - F, or A - F)");
    }
    // add some space and ask for another byte:
    Serial.println();
    Serial.println("Give me another byte:");
    Serial.println();
  }
}
 
 
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