Practical tips-rapid Decoding of Unicode/utf8 Encoding

Conversion is inevitable for programming. Unicode Or Utf8 To the string. For example VCard There is
X-ESI-CATEGORIES; charset = UTF-8; encoding = quoted-printable: = E6 = 9C = AA = E8 = AE = be =
= E5 = AE = 9A = E7 = be = A4 = E7 = BB = 84
The following part of this sentence is used: Utf8 Encoding. I want to know what it contains and don't want to program it. We can borrow it. Winhex Edit a text file and use Notepad (Notepad) open, you can know the specific content.
For example Utf8 Byte: E6 9C AA E8 AE be E5 AE 9A E7 be A4 E7 BB 84 Total 15 Bytes
We are opening Winhex , Create 15 And then input the above bytes.

Save it as a text file.Test.txt.

Then openTest.txt, You can see Chinese: No group is set

In this way, a simple decoding function is implemented.