Analyse if a char is alphanumeric (that is a letter or a numbers). Returns true if thisChar contains either a number or a letter.
Syntax
isAlphaNumeric(thisChar)
Parameters
thisChar: variable. Allowed data types: char.
Returns
true: if thisChar is alphanumeric.
Example Code
if (isAlphaNumeric(myChar)) { // tests if myChar isa letter or a number
Serial.println("The character is alphanumeric");
}
else {
Serial.println("The character is not alphanumeric");
}
We care about the privacy and personal data of our users.
To continue, please give us your consent:
Please confirm that you have read the privacy policy
Thank you for subscribing!
Curious to learn more?
Are you also a teacher, student, or professional that loves using Arduino in your day-to-day activities?
Then keep up-to-date with either our STEM or Professional monthly newsletters.
Arduino weekly newsletter (already subscribed)
Educators can benefit from the ever growing tech that shapes our environment through fun cool projects.
Why not awe your boss with highly innovative ways to help keep your enterprise connected at no extra cost?
Arduino Survey
We'd like to get to know you little better.
Please help us improve by answering this super short optional survey.
