isAlpha()

Descripción

Analiza si char es un carácter alfabético.

Sintaxis

isAlpha(thisChar)

Parámetros

  • thisChar: el carácter a ser analizado

Retornos

  • true o false.

Ejemplo

char myChar; void setup() { Serial.begin(9600); myChar = ' '; Serial.print(myChar); Serial.print(": "); if (isAlpha(myChar)) // tests if myChar is a letter Serial.println("The character is a letter"); else Serial.println("The character is not a letter"); myChar = 'A'; Serial.print(myChar); Serial.print(": "); if (isAlpha(myChar)) // tests if myChar is a letter Serial.println("The character is a letter"); else Serial.println("The character is not a letter"); } void loop() {}

The result in Serial Monitor:

Newbiely | Arduino IDE 2.3.8
──
File
Edit
Sketch
Tools
Help
Arduino Uno
Newbiely.ino
···
8 Serial.println("Hello World!");
Output
Serial Monitor
Message (Enter to send message to 'Arduino Uno' on 'COM15')
New Line
9600 baud
: The character is not a letter A: The character is a letter
Ln 11, Col 1
Arduino Uno on COM15
2

ARDUINO BUY RECOMMENDATION

Arduino UNO R3
Arduino Starter Kit
Disclosure: Some links in this section are Amazon affiliate links. If you make a purchase through these links, we may earn a commission at no extra cost to you.
Additionally, some links direct to products from our own brand, DIYables .

※ OUR MESSAGES