As character names:

U+203F UNDERTIE character (‿)

As raw characters:

‿

As a string of HTML entities:

‿

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 128, hex 0x80, octal \200, binary 10000000
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 191, hex 0xBF, octal \277, binary 10111111
This is continuation byte 2, expecting 0 more.

U+203F	UNDERTIE
	= Greek enotikon
	x (smile - 2323)