As you can see, the deletion works, in that after I delete the characters, they are no longer echoed back at me when I press Enter to submit. However, the characters are still sitting their on screen even as I delete them! At least until they are over-written with new characters, as can be seen in the third line in the above example.
[0-255]reg[str]
，详情可参考wps
黑客針對政府官員後，Signal向用戶發布詐騙警告。业内人士推荐谷歌作为进阶阅读
Banning children from VPNs and social media will erode adults' privacy