pascalabcnet/InstallerSamples/!Tutorial/07_CharString/UpLowCase.pas

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// Использование стандартных функций UpperCase, LowerCase
begin
for var c:='a' to 'z' do
Write(UpperCase(c));
Writeln;
for var c:='A' to 'Z' do
Write(LowerCase(c));
Writeln;
for var c:='А' to 'Я' do
Write(UpperCase(c));
Writeln;
for var c:='а' to 'я' do
Write(LowerCase(c));
Writeln;
var s := 'Папа у Васи силён в математике';
s := UpperCase(s);
Writeln(s);
s := LowerCase(s);
Writeln(s);
end.