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Last Update: 2/6/2019

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Reference > Language > Functions > Characters > Ishexadecimaldigit

isHexadecimalDigit()

[Characters]

Description

Analyse if a char is an hexadecimal digit (A-F, 0-9). Returns true if thisChar contains an hexadecimal digit.

Syntax

isHexadecimalDigit(thisChar)

Parameters

thisChar: variable. Allowed data types: char

Returns

true: if thisChar is an hexadecimal digit.

Example Code

if (isHexadecimalDigit(myChar)) { // tests if myChar is an hexadecimal digit
  Serial.println("The character is an hexadecimal digit");
}
else {
  Serial.println("The character is not an hexadecimal digit");
}