What's the character encoding used? [closed]

Answer 1

Easy search on gnome charmap:

U+0E01 THAI CHARACTER KO KAI

General Character Properties

In Unicode since: 1.1
Unicode category: Letter, Other

Various Useful Representations

UTF-8: 0xE0 0xB8 0x81
UTF-16: 0x0E01

C octal escaped UTF-8: \340\270\201
XML decimal entity: ก

followed by (one or more of / a variation of):

U+0E47 THAI CHARACTER MAITAIKHU

General Character Properties

In Unicode since: 1.1
Unicode category: Mark, Non-Spacing

Various Useful Representations

UTF-8: 0xE0 0xB9 0x87
UTF-16: 0x0E47

C octal escaped UTF-8: \340\271\207
XML decimal entity: ็

Annotations and Cross References

Alias names:
 • mai taikhu

The second is a non-spacing mark decorating the first char

Answer 2

Entering those characters in the search box on Graphmenica will take you to this page, showing the different characters being used:

• ก thai character ko kai (Unicode code point: U+0E01)
• ิ thai character sara i (Unicode code point: U+0E34)
• ็ thai character maitaikhu (Unicode code point: U+0E47)
• ้ thai character mai tho (Unicode code point: U+0E49)