[issue26483] docs unclear on difference between str.isdigit() and str.isdecimal()

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

>>> chars = ''.join(map(chr, range(sys.maxunicode+1)))
>>> digits = ''.join(filter(str.isdigit, chars))
>>> digits
'0123456789²³¹٠١٢٣٤٥٦٧٨٩۰۱۲۳۴۵۶۷۸۹߀߁߂߃߄߅߆߇߈߉०१२३४५६७८९০১২৩৪৫৬৭৮৯੦੧੨੩੪੫੬੭੮੯૦૧૨૩૪૫૬૭૮૯୦୧୨୩୪୫୬୭୮୯௦௧௨௩௪௫௬௭௮௯౦౧౨౩౪౫౬౭౮౯೦೧೨೩೪೫೬೭೮೯൦൧൨൩൪൫൬൭൮൯෦෧෨෩෪෫෬෭෮෯๐๑๒๓๔๕๖๗๘๙໐໑໒໓໔໕໖໗໘໙༠༡༢༣༤༥༦༧༨༩၀၁၂၃၄၅၆၇၈၉႐႑႒႓႔႕႖႗႘႙፩፪፫፬፭፮፯፰፱០១២៣៤៥៦៧៨៩᠐᠑᠒᠓᠔᠕᠖᠗᠘᠙᥆᥇᥈᥉᥊᥋᥌᥍᥎᥏᧐᧑᧒᧓᧔᧕᧖᧗᧘᧙᧚᪀᪁᪂᪃᪄᪅᪆᪇᪈᪉᪐᪑᪒᪓᪔᪕᪖᪗᪘᪙᭐᭑᭒᭓᭔᭕᭖᭗᭘᭙᮰᮱᮲᮳᮴᮵᮶᮷᮸᮹᱀᱁᱂᱃᱄᱅᱆᱇᱈᱉᱐᱑᱒᱓᱔᱕᱖᱗᱘᱙⁰⁴⁵⁶⁷⁸⁹₀₁₂₃₄₅₆₇₈₉①②③④⑤⑥⑦⑧⑨⑴⑵⑶⑷⑸⑹⑺⑻⑼⒈⒉⒊⒋⒌⒍⒎⒏⒐⓪⓵⓶⓷⓸⓹⓺⓻⓼⓽⓿❶❷❸❹❺❻❼❽❾➀➁➂➃➄➅➆➇➈➊➋➌➍➎➏➐➑➒꘠꘡꘢꘣꘤꘥꘦꘧꘨꘩꣐꣑꣒꣓꣔꣕꣖꣗꣘꣙꤀꤁꤂꤃꤄꤅꤆꤇꤈꤉꧐꧑꧒꧓꧔꧕꧖꧗꧘꧙꧰꧱꧲꧳꧴꧵꧶꧷꧸꧹꩐꩑꩒꩓꩔꩕꩖꩗꩘꩙꯰꯱꯲꯳꯴꯵꯶꯷꯸꯹０１２３４５６７８９𐒠𐒡𐒢𐒣𐒤𐒥𐒦𐒧𐒨𐒩𐩀𐩁𐩂𐩃𐹠𐹡𐹢𐹣𐹤𐹥𐹦𐹧𐹨𑁒𑁓𑁔𑁕𑁖𑁗𑁘𑁙𑁚𑁦𑁧𑁨𑁩𑁪𑁫𑁬𑁭𑁮𑁯𑃰𑃱𑃲𑃳𑃴𑃵𑃶𑃷𑃸𑃹𑄶𑄷𑄸𑄹𑄺𑄻𑄼𑄽𑄾𑄿𑇐𑇑𑇒𑇓𑇔𑇕𑇖𑇗𑇘𑇙𑋰𑋱𑋲𑋳𑋴𑋵𑋶𑋷𑋸𑋹𑓐𑓑𑓒𑓓𑓔𑓕𑓖𑓗𑓘𑓙𑙐𑙑𑙒𑙓𑙔𑙕𑙖𑙗𑙘𑙙𑛀𑛁𑛂𑛃𑛄𑛅𑛆𑛇𑛈𑛉𑜰𑜱𑜲𑜳𑜴𑜵𑜶𑜷𑜸𑜹𑣠𑣡𑣢𑣣𑣤𑣥𑣦𑣧𑣨𑣩𖩠𖩡𖩢𖩣𖩤𖩥𖩦𖩧𖩨𖩩𖭐𖭑𖭒𖭓𖭔𖭕𖭖𖭗𖭘𖭙𝟎𝟏𝟐𝟑𝟒𝟓𝟔𝟕𝟖𝟗𝟘𝟙𝟚𝟛𝟜𝟝𝟞𝟟𝟠𝟡𝟢𝟣𝟤𝟥𝟦𝟧𝟨𝟩𝟪𝟫𝟬𝟭𝟮𝟯𝟰𝟱𝟲𝟳𝟴𝟵𝟶𝟷𝟸𝟹𝟺𝟻𝟼𝟽𝟾𝟿🄀🄁🄂🄃🄄🄅🄆🄇🄈🄉🄊'
>>> decimals = ''.join(filter(str.isdecimal, chars))
>>> decimals
'0123456789٠١٢٣٤٥٦٧٨٩۰۱۲۳۴۵۶۷۸۹߀߁߂߃߄߅߆߇߈߉०१२३४५६७८९০১২৩৪৫৬৭৮৯੦੧੨੩੪੫੬੭੮੯૦૧૨૩૪૫૬૭૮૯୦୧୨୩୪୫୬୭୮୯௦௧௨௩௪௫௬௭௮௯౦౧౨౩౪౫౬౭౮౯೦೧೨೩೪೫೬೭೮೯൦൧൨൩൪൫൬൭൮൯෦෧෨෩෪෫෬෭෮෯๐๑๒๓๔๕๖๗๘๙໐໑໒໓໔໕໖໗໘໙༠༡༢༣༤༥༦༧༨༩၀၁၂၃၄၅၆၇၈၉႐႑႒႓႔႕႖႗႘႙០១២៣៤៥៦៧៨៩᠐᠑᠒᠓᠔᠕᠖᠗᠘᠙᥆᥇᥈᥉᥊᥋᥌᥍᥎᥏᧐᧑᧒᧓᧔᧕᧖᧗᧘᧙᪀᪁᪂᪃᪄᪅᪆᪇᪈᪉᪐᪑᪒᪓᪔᪕᪖᪗᪘᪙᭐᭑᭒᭓᭔᭕᭖᭗᭘᭙᮰᮱᮲᮳᮴᮵᮶᮷᮸᮹᱀᱁᱂᱃᱄᱅᱆᱇᱈᱉᱐᱑᱒᱓᱔᱕᱖᱗᱘᱙꘠꘡꘢꘣꘤꘥꘦꘧꘨꘩꣐꣑꣒꣓꣔꣕꣖꣗꣘꣙꤀꤁꤂꤃꤄꤅꤆꤇꤈꤉꧐꧑꧒꧓꧔꧕꧖꧗꧘꧙꧰꧱꧲꧳꧴꧵꧶꧷꧸꧹꩐꩑꩒꩓꩔꩕꩖꩗꩘꩙꯰꯱꯲꯳꯴꯵꯶꯷꯸꯹０１２３４５６７８９𐒠𐒡𐒢𐒣𐒤𐒥𐒦𐒧𐒨𐒩𑁦𑁧𑁨𑁩𑁪𑁫𑁬𑁭𑁮𑁯𑃰𑃱𑃲𑃳𑃴𑃵𑃶𑃷𑃸𑃹𑄶𑄷𑄸𑄹𑄺𑄻𑄼𑄽𑄾𑄿𑇐𑇑𑇒𑇓𑇔𑇕𑇖𑇗𑇘𑇙𑋰𑋱𑋲𑋳𑋴𑋵𑋶𑋷𑋸𑋹𑓐𑓑𑓒𑓓𑓔𑓕𑓖𑓗𑓘𑓙𑙐𑙑𑙒𑙓𑙔𑙕𑙖𑙗𑙘𑙙𑛀𑛁𑛂𑛃𑛄𑛅𑛆𑛇𑛈𑛉𑜰𑜱𑜲𑜳𑜴𑜵𑜶𑜷𑜸𑜹𑣠𑣡𑣢𑣣𑣤𑣥𑣦𑣧𑣨𑣩𖩠𖩡𖩢𖩣𖩤𖩥𖩦𖩧𖩨𖩩𖭐𖭑𖭒𖭓𖭔𖭕𖭖𖭗𖭘𖭙𝟎𝟏𝟐𝟑𝟒𝟓𝟔𝟕𝟖𝟗𝟘𝟙𝟚𝟛𝟜𝟝𝟞𝟟𝟠𝟡𝟢𝟣𝟤𝟥𝟦𝟧𝟨𝟩𝟪𝟫𝟬𝟭𝟮𝟯𝟰𝟱𝟲𝟳𝟴𝟵𝟶𝟷𝟸𝟹𝟺𝟻𝟼𝟽𝟾𝟿'
>>> ''.join(sorted(set(decimals) - set(digits)))
''
>>> ''.join(sorted(set(digits) - set(decimals)))
'²³¹፩፪፫፬፭፮፯፰፱᧚⁰⁴⁵⁶⁷⁸⁹₀₁₂₃₄₅₆₇₈₉①②③④⑤⑥⑦⑧⑨⑴⑵⑶⑷⑸⑹⑺⑻⑼⒈⒉⒊⒋⒌⒍⒎⒏⒐⓪⓵⓶⓷⓸⓹⓺⓻⓼⓽⓿❶❷❸❹❺❻❼❽❾➀➁➂➃➄➅➆➇➈➊➋➌➍➎➏➐➑➒𐩀𐩁𐩂𐩃𐹠𐹡𐹢𐹣𐹤𐹥𐹦𐹧𐹨𑁒𑁓𑁔𑁕𑁖𑁗𑁘𑁙𑁚🄀🄁🄂🄃🄄🄅🄆🄇🄈🄉🄊'

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nosy: +serhiy.storchaka

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26483>
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