About the multi-language encoding range

The range of Unicode codes in Chinese is 4e00-9fa5.
English and ASC code compatibility, but the high byte is 0x00 low byte = ASCII
1) Standard CJK text
Http://www.unicode.org/Public/UNIDATA/Unihan.html

Code point range block Name Release
U + 3400 .. u + 4db5 CJK uniied ideographs extension a 3.0
U + 4e00 .. u + 9fa5 CJK uniied ideographs 1.1
U + 9fa6 .. u + 9fbb CJK uniied ideographs 4.1
U + f900.. U + fa2d CJK compatibility ideographs 1.1
U + fa30.. U + fa6a CJK compatibility ideographs 3.2
U + fa70.. U + fad9 CJK compatibility ideographs 4.1
U + 20000 .. u + 2a6d6 CJK uniied ideographs Extension B 3.1
U + 2f800 .. u + 2fa1d CJK compatibility supplement 3.1

2) ASCII, all Chinese Punctuation, half width Katakana, half width hirakana, half width Korean letters: FF00-FFEF
Http://www.unicode.org/charts/PDF/UFF00.pdf

3) CJK radical supplement: 2e80-2eff
Http://www.unicode.org/charts/PDF/U2E80.pdf

4) CJK strokes: 31c0-31ef
Http://www.unicode.org/charts/PDF/U31C0.pdf

5) Kangxi: 2f00-2fdf
Http://www.unicode.org/charts/PDF/U2F00.pdf

6) Chinese character structure description character: 2ff0-2fff
Http://www.unicode.org/charts/PDF/U2FF0.pdf

7) phonetic symbols: 3100-312f
Http://www.unicode.org/charts/PDF/U3100.pdf

8) phonetic symbols (extensions of South Fujian and Hakka): 31a0-31bf
Http://www.unicode.org/charts/PDF/U31A0.pdf

9) Japanese hirakana: 3040-309f
Http://www.unicode.org/charts/PDF/U3040.pdf

10) Japanese Katakana: 30a0-30ff
Http://www.unicode.org/charts/PDF/U30A0.pdf

11) Japanese Katakana pinyin Extension: 31f0-31ff
Http://www.unicode.org/charts/PDF/U31F0.pdf

12) Korean pinyin: AC00-D7AF
Http://www.unicode.org/charts/PDF/UAC00.pdf

13) Korean letters: 1100-11ff
Http://www.unicode.org/charts/PDF/U1100.pdf

14) compatible Korean letters: 3130-318f
Http://www.unicode.org/charts/PDF/U3130.pdf

15) taixuan Sutra Symbol: 1d300-1d35f
Http://www.unicode.org/charts/PDF/U1D300.pdf

16) The vulnerability is caused by the 4dc0-4dff vulnerability.
Http://www.unicode.org/charts/PDF/U4DC0.pdf

17) Yi-wen syllable: A000-A48F
Http://www.unicode.org/charts/PDF/UA000.pdf

18) Yi document department head: A490-A4CF
Http://www.unicode.org/charts/PDF/UA490.pdf

19) Braille symbols: 2800-28ff
Http://www.unicode.org/charts/PDF/U2800.pdf

20) CJK letter and month: 3200-32ff
Http://www.unicode.org/charts/PDF/U3200.pdf

21) CJK special symbols (date merging): 3300-33ff
Http://www.unicode.org/charts/PDF/U3300.pdf

22) decorative symbols (not for CJK purposes): 2700-27bf
Http://www.unicode.org/charts/PDF/U2700.pdf

23) Miscellaneous symbols (not for CJK purposes): 2600-26ff
Http://www.unicode.org/charts/PDF/U2600.pdf