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



Parameter Values

  • thisChar: variable. Allowed data types: char.

Return Values

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

Example Code

if (isLowerCase(myChar)) { // tests if myChar is a lower case letter Serial.println("The character is lower case"); } else { Serial.println("The character is not lower case"); }

See Also

Please note: These are affiliate links. If you buy the components through these links, We may get a commission at no extra cost to you. We appreciate it.