Example invalid utf8 string?

Example invalid utf8 string?

I'm testing how some of my code handles bad data, and I need a few series of bytes that are inval...概要を表示 I'm testing how some of my code handles bad data, and I need a few series of bytes that are invalid UTF-8. Can you post some, and ideally, an explanation of why they are bad/where you got them?

• security