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Reference > Language > Functions > Characters > Islowercase

isLowerCase()

[Characters]

Description

Analyse if a char is lower case (that is a letter in lower case). Returns true if thisChar contains a letter in lower case.

Syntax

isLowerCase(thisChar)

Parameters

thisChar: variable. Allowed data types: char

Returns

true: if thisChar is lower case.

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");
}