请问截取一个字符串最右边的n个字符的函数是什么？

[馮強]

如果没有这样的函数，如何截取？thanx

[liujidong]

copy(str,length(str)-n+1,n);

[stick77]

result := S[Length(s)-n]

[stick77]

result := s[Length(s)-n]

[stick77]

function RightStr(const AText: string; ACount: Integer): string;

[duqionghui1]

uses strUtils..

Result:=RightStr(str,n);

[duqionghui1]

uses strUtils..

Result:=RightStr(str,n);

[surfguy]

a:='123456';
b:=rightstr(a,3);//b='456'