Python 字符大小写分析

l=[]
u=[]
for i in range(0,0x110000):
    c=chr(i)
    if c.islower():l.append(c)
    elif c.isupper():u.append(c)

for c in l:
    if len(c.swapcase())!=1:print(c,c.encode('ascii',errors='namereplace'))
    
ß b'\\N{LATIN SMALL LETTER SHARP S}'
ŉ b'\\N{LATIN SMALL LETTER N PRECEDED BY APOSTROPHE}'
ǰ b'\\N{LATIN SMALL LETTER J WITH CARON}'
ΐ b'\\N{GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS}'
ΰ b'\\N{GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND TONOS}'
և b'\\N{ARMENIAN SMALL LIGATURE ECH YIWN}'
ẖ b'\\N{LATIN SMALL LETTER H WITH LINE BELOW}'
ẗ b'\\N{LATIN SMALL LETTER T WITH DIAERESIS}'
ẘ b'\\N{LATIN SMALL LETTER W WITH RING ABOVE}'
ẙ b'\\N{LATIN SMALL LETTER Y WITH RING ABOVE}'
ẚ b'\\N{LATIN SMALL LETTER A WITH RIGHT HALF RING}'
ὐ b'\\N{GREEK SMALL LETTER UPSILON WITH PSILI}'
ὒ b'\\N{GREEK SMALL LETTER UPSILON WITH PSILI AND VARIA}'
ὔ b'\\N{GREEK SMALL LETTER UPSILON WITH PSILI AND OXIA}'
ὖ b'\\N{GREEK SMALL LETTER UPSILON WITH PSILI AND PERISPOMENI}'
ᾀ b'\\N{GREEK SMALL LETTER ALPHA WITH PSILI AND YPOGEGRAMMENI}'
ᾁ b'\\N{GREEK SMALL LETTER ALPHA WITH DASIA AND YPOGEGRAMMENI}'
ᾂ b'\\N{GREEK SMALL LETTER ALPHA WITH PSILI AND VARIA AND YPOGEGRAMMENI}'
ᾃ b'\\N{GREEK SMALL LETTER ALPHA WITH DASIA AND VARIA AND YPOGEGRAMMENI}'
ᾄ b'\\N{GREEK SMALL LETTER ALPHA WITH PSILI AND OXIA AND YPOGEGRAMMENI}'
ᾅ b'\\N{GREEK SMALL LETTER ALPHA WITH DASIA AND OXIA AND YPOGEGRAMMENI}'
ᾆ b'\\N{GREEK SMALL LETTER ALPHA WITH PSILI AND PERISPOMENI AND YPOGEGRAMMENI}'
ᾇ b'\\N{GREEK SMALL LETTER ALPHA WITH DASIA AND PERISPOMENI AND YPOGEGRAMMENI}'
ᾐ b'\\N{GREEK SMALL LETTER ETA WITH PSILI AND YPOGEGRAMMENI}'
ᾑ b'\\N{GREEK SMALL LETTER ETA WITH DASIA AND YPOGEGRAMMENI}'
ᾒ b'\\N{GREEK SMALL LETTER ETA WITH PSILI AND VARIA AND YPOGEGRAMMENI}'
ᾓ b'\\N{GREEK SMALL LETTER ETA WITH DASIA AND VARIA AND YPOGEGRAMMENI}'
ᾔ b'\\N{GREEK SMALL LETTER ETA WITH PSILI AND OXIA AND YPOGEGRAMMENI}'
ᾕ b'\\N{GREEK SMALL LETTER ETA WITH DASIA AND OXIA AND YPOGEGRAMMENI}'
ᾖ b'\\N{GREEK SMALL LETTER ETA WITH PSILI AND PERISPOMENI AND YPOGEGRAMMENI}'
ᾗ b'\\N{GREEK SMALL LETTER ETA WITH DASIA AND PERISPOMENI AND YPOGEGRAMMENI}'
ᾠ b'\\N{GREEK SMALL LETTER OMEGA WITH PSILI AND YPOGEGRAMMENI}'
ᾡ b'\\N{GREEK SMALL LETTER OMEGA WITH DASIA AND YPOGEGRAMMENI}'
ᾢ b'\\N{GREEK SMALL LETTER OMEGA WITH PSILI AND VARIA AND YPOGEGRAMMENI}'
ᾣ b'\\N{GREEK SMALL LETTER OMEGA WITH DASIA AND VARIA AND YPOGEGRAMMENI}'
ᾤ b'\\N{GREEK SMALL LETTER OMEGA WITH PSILI AND OXIA AND YPOGEGRAMMENI}'
ᾥ b'\\N{GREEK SMALL LETTER OMEGA WITH DASIA AND OXIA AND YPOGEGRAMMENI}'
ᾦ b'\\N{GREEK SMALL LETTER OMEGA WITH PSILI AND PERISPOMENI AND YPOGEGRAMMENI}'
ᾧ b'\\N{GREEK SMALL LETTER OMEGA WITH DASIA AND PERISPOMENI AND YPOGEGRAMMENI}'
ᾲ b'\\N{GREEK SMALL LETTER ALPHA WITH VARIA AND YPOGEGRAMMENI}'
ᾳ b'\\N{GREEK SMALL LETTER ALPHA WITH YPOGEGRAMMENI}'
ᾴ b'\\N{GREEK SMALL LETTER ALPHA WITH OXIA AND YPOGEGRAMMENI}'
ᾶ b'\\N{GREEK SMALL LETTER ALPHA WITH PERISPOMENI}'
ᾷ b'\\N{GREEK SMALL LETTER ALPHA WITH PERISPOMENI AND YPOGEGRAMMENI}'
ῂ b'\\N{GREEK SMALL LETTER ETA WITH VARIA AND YPOGEGRAMMENI}'
ῃ b'\\N{GREEK SMALL LETTER ETA WITH YPOGEGRAMMENI}'
ῄ b'\\N{GREEK SMALL LETTER ETA WITH OXIA AND YPOGEGRAMMENI}'
ῆ b'\\N{GREEK SMALL LETTER ETA WITH PERISPOMENI}'
ῇ b'\\N{GREEK SMALL LETTER ETA WITH PERISPOMENI AND YPOGEGRAMMENI}'
ῒ b'\\N{GREEK SMALL LETTER IOTA WITH DIALYTIKA AND VARIA}'
ΐ b'\\N{GREEK SMALL LETTER IOTA WITH DIALYTIKA AND OXIA}'
ῖ b'\\N{GREEK SMALL LETTER IOTA WITH PERISPOMENI}'
ῗ b'\\N{GREEK SMALL LETTER IOTA WITH DIALYTIKA AND PERISPOMENI}'
ῢ b'\\N{GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND VARIA}'
ΰ b'\\N{GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND OXIA}'
ῤ b'\\N{GREEK SMALL LETTER RHO WITH PSILI}'
ῦ b'\\N{GREEK SMALL LETTER UPSILON WITH PERISPOMENI}'
ῧ b'\\N{GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND PERISPOMENI}'
ῲ b'\\N{GREEK SMALL LETTER OMEGA WITH VARIA AND YPOGEGRAMMENI}'
ῳ b'\\N{GREEK SMALL LETTER OMEGA WITH YPOGEGRAMMENI}'
ῴ b'\\N{GREEK SMALL LETTER OMEGA WITH OXIA AND YPOGEGRAMMENI}'
ῶ b'\\N{GREEK SMALL LETTER OMEGA WITH PERISPOMENI}'
ῷ b'\\N{GREEK SMALL LETTER OMEGA WITH PERISPOMENI AND YPOGEGRAMMENI}'
ﬀ b'\\N{LATIN SMALL LIGATURE FF}'
ﬁ b'\\N{LATIN SMALL LIGATURE FI}'
ﬂ b'\\N{LATIN SMALL LIGATURE FL}'
ﬃ b'\\N{LATIN SMALL LIGATURE FFI}'
ﬄ b'\\N{LATIN SMALL LIGATURE FFL}'
ﬅ b'\\N{LATIN SMALL LIGATURE LONG S T}'
ﬆ b'\\N{LATIN SMALL LIGATURE ST}'
ﬓ b'\\N{ARMENIAN SMALL LIGATURE MEN NOW}'
ﬔ b'\\N{ARMENIAN SMALL LIGATURE MEN ECH}'
ﬕ b'\\N{ARMENIAN SMALL LIGATURE MEN INI}'
ﬖ b'\\N{ARMENIAN SMALL LIGATURE VEW NOW}'
ﬗ b'\\N{ARMENIAN SMALL LIGATURE MEN XEH}'

for c in u:
    if len(c.swapcase())!=1:print(c,c.encode('ascii',errors='namereplace'))
    
İ b'\\N{LATIN CAPITAL LETTER I WITH DOT ABOVE}'

	总数	无反	反多	反多合并	反单	反单合并
小写	2344	890	75	72	1379	1356
大写	1911	549	1	1	1361	1357

# 小写转大写多字符重复
d2=dict()
def f(c):
    if len(c)!=1:
        print(c,len(c),'\n')
        for t in c:
            f(t)
        return
    print(c,c.encode('raw_unicode_escape'),c.encode('ascii',errors='namereplace'),'\n')

for c in l:
    if len(cs:=c.swapcase())!=1:
        if cs in d2:
            f(d2[cs])
            f(c)
            f(cs)
        d2[cs]=c
        
ΐ b'\\u0390' b'\\N{GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS}' 分音符 两个八度音阶
希腊字母及科普特字母 > 带 Dialytika 和 Tonos 的希腊文小写字母 Iota
ΐ b'\\u1fd3' b'\\N{GREEK SMALL LETTER IOTA WITH DIALYTIKA AND OXIA}' 两个八度音阶
希腊语扩展 > 带 Dialytika 和 Oxia 的希腊文小写字母 Iota
Ϊ́ 3 

Ι b'\\u0399' b'\\N{GREEK CAPITAL LETTER IOTA}' 埃欧塔（MIOTA）

̈ b'\\u0308' b'\\N{COMBINING DIAERESIS}' 结合分音符

́ b'\\u0301' b'\\N{COMBINING ACUTE ACCENT}' 结合重音符

ΰ b'\\u03b0' b'\\N{GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND TONOS}' 

ΰ b'\\u1fe3' b'\\N{GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND OXIA}' 

Ϋ́ 3 

Υ b'\\u03a5' b'\\N{GREEK CAPITAL LETTER UPSILON}' 

̈ b'\\u0308' b'\\N{COMBINING DIAERESIS}' 

́ b'\\u0301' b'\\N{COMBINING ACUTE ACCENT}' 

ﬅ b'\\ufb05' b'\\N{LATIN SMALL LIGATURE LONG S T}' 
拉丁文小型连字长 S T
ﬆ b'\\ufb06' b'\\N{LATIN SMALL LIGATURE ST}' 
拉丁文小型连字 St

ST 2 

S b'S' b'S' 

T b'T' b'T'

原文链接：https://blog.csdn.net/jhsxy2005/article/details/117339157