function IsSimpleChar(var Str: String); var Cnt: Integer; begin Return := 0; for Cnt := 1 to Length(Str) do begin if (Str[Cnt] in ['0'..'9']) or (Str[Cnt] in ['a'..'z'] or (Str[Cnt] in ['A'..'Z'] then Continue else begin Return := -1; Break; end; end; end; 上面函数返回0表示常用字符,-1表示有其他字符
var
Cnt: Integer;
begin
Return := 0;
for Cnt := 1 to Length(Str) do
begin
if (Str[Cnt] in ['0'..'9']) or (Str[Cnt] in ['a'..'z']
or (Str[Cnt] in ['A'..'Z'] then
Continue
else
begin
Return := -1;
Break;
end;
end;
end;
上面函数返回0表示常用字符,-1表示有其他字符