isUpperCase()

Description

Check if a character is upper case (that is, a letter in upper case) or not. Returns true if the character is upper case.

Syntax

isUpperCase(thisChar)

Parameter Values

  • thisChar: variable. Allowed data types: char.

Return Values

  • true: If thisChar is upper case.
  • false: Otherwise

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"); }

See Also

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