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| From | Serhiy Storchaka <storchaka@gmail.com> |
| Subject | Re: Letter class in re |
| Date | Mon, 09 Mar 2015 15:43:00 +0200 |
| References | <54FD74BA.8010803@rece.vub.ac.be> <mdjt75$jpu$1@ger.gmane.org> <20150309061736.07e0d944@bigbox.christie.dr> <54FD918B.1030702@rece.vub.ac.be> |
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On 09.03.15 14:26, Antoon Pardon wrote:
> So if I understand correctly the following should be a regular expression for
> a python3 identifier.
>
> (?:(?!_|\d)\w)\w+
>
> It seems odd that one should need such an ugly expression for something that is
> used rather frequently for parsing computer languages and the like.
Not all so easy.
>>> allchars = ''.join(map(chr, range(sys.maxunicode+1)))
>>> ''.join(c for c in allchars if ('a'+c).isidentifier() and not (c+'a').isidentifier() and not c.isdigit())
'·̴̵̶̷̸̡̢̧̨̛̖̗̘̙̜̝̞̟̠̣̤̥̦̩̪̫̬̭̮̯̰̱̲̳̹̺̻̼͇͈͉͍͎̀́̂̃̄̅̆̇̈̉̊̋̌̍̎̏̐̑̒̓̔̽̾̿̀́͂̓̈́͆͊͋͌̕̚ͅ͏͓͔͕͖͙͚͐͑͒͗͛ͣͤͥͦͧͨͩͪͫͬͭͮͯ͘͜͟͢͝͞͠͡·ְֱֲֳִֵֶַָׇֹֺֻּֽֿׁׂًٌٍؘَؙُؚِّْٰܑ֑֖֛֢֣֤֥֦֧֪ׅٕٖٜٟۣ۪ۭܱܴܷܸܹܻܼܾ݂݄݆݈֚֭֮҃҄҅҆҇֒֓֔֕֗֘֙֜֝֞֟֠֡֨֩֫֬֯ׄؐؑؒؓؔؕؖؗٓٔٗ٘ٙٚٛٝٞۖۗۘۙۚۛۜ۟۠ۡۢۤۧۨ۫۬ܰܲܳܵܶܺܽܿ݀݁݃݅݇݉݊ަާިީުޫެޭޮޯްࣰࣱࣲ߲࡙࡚࡛ࣦࣩ࣭࣮࣯ࣶࣹࣺ߫߬߭߮߯߰߱߳ࠖࠗ࠘࠙ࠛࠜࠝࠞࠟࠠࠡࠢࠣࠥࠦࠧࠩࠪࠫࠬ࠭ࣤࣥࣧࣨ࣪࣫࣬ࣳࣴࣵࣷࣸࣻࣼࣽࣾࣿऀँंःऺऻ़ािीुूृॄॅॆेैॉॊोौ्ॎॏ॒॑॓॔ॕॖॗॢॣঁংঃ়ািীুূৃৄেৈোৌ্ৗৢৣਁਂਃ਼ਾਿੀੁੂੇੈੋੌ੍ੑੰੱੵઁંઃ઼ાિીુૂૃૄૅેૈૉોૌ્ૢૣଁଂଃ଼ାିୀୁୂ�
�ୄେୈୋୌ୍ୖୗୢୣஂாிீுூெேைொோௌ்ௗఀఁంఃాిీుూృౄెేైొోౌ్ౕౖౢౣಁಂಃ಼ಾಿೀುೂೃೄೆೇೈೊೋೌ್ೕೖೢೣഁംഃാിീുൂൃൄെേൈൊോൌ്ൗൢൣංඃ්ාැෑිීුූෘෙේෛොෝෞෟෲෳ
ัำิีึืฺุู็่้๊๋์ํ๎ັຳິີຶືຸູົຼ່້໊໋໌ໍ༹༘༙༵༷༾༿ཱཱཱིིུུྲྀཷླྀཹེཻོཽཾཿ྄ཱྀྀྂྃ྆྇ྍྎྏྐྑྒྒྷྔྕྖྗྙྚྛྜྜྷྞྟྠྡྡྷྣྤྥྦྦྷྨྩྪྫྫྷྭྮྯྰྱྲླྴྵྶྷྸྐྵྺྻྼ࿆ါာိီုူေဲဳဴဵံ့း္်ျြွှၖၗၘၙၞၟၠၢၣၤၧၨၩၪၫၬၭၱၲၳၴႂႃႄႅႆႇႈႉႊႋႌႍႏႚႛႜႝ፝፞፟ᜒᜓ᜔ᜲᜳ᜴ᝒᝓᝲᝳ
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᠋᠌᠍ᢩᤠᤡᤢᤣᤤᤥᤦᤧᤨᤩᤪᤫᤰᤱᤲᤳᤴᤵᤶᤷᤸ᤻᤹᤺ᦰᦱᦲᦳᦴᦵᦶᦷᦸᦹᦺᦻᦼᦽᦾᦿᧀᧈᧉᨘᨗᨙᨚᨛᩕᩖᩗᩘᩙᩚᩛᩜᩝᩞ᩠ᩡᩢᩣᩤᩥᩦᩧᩨᩩᩪᩫᩬᩭᩮᩯᩰᩱᩲᩳᩴ᩿᪵᪶᪷᪸᪹᪺᪽᩵᩶᩷᩸᩹᩺᩻᩼᪰᪱᪲᪳᪴᪻᪼ᬀᬁᬂᬃᬄ᬴ᬵᬶᬷᬸᬹᬺᬻᬼᬽᬾᬿᭀᭁᭂᭃ᭄᭬᭫᭭᭮᭯᭰᭱᭲᭳ᮀᮁᮂᮡᮢᮣᮤᮥᮦᮧᮨᮩ᮪᮫ᮬᮭ᯦ᯧᯨᯩᯪᯫᯬᯭᯮᯯᯰᯱ᯲᯳ᰤᰥᰦᰧᰨᰩᰪᰫᰬᰭᰮᰯᰰᰱᰲᰳᰴᰵᰶ᳔᰷᳕᳖᳗᳘᳙᳜᳝᳞᳟᳐᳑᳒᳚᳛᳠᳡᳢᳣᳤᳥᳦᳧᳨᳭ᳲᳳ᷐᷎᷂᷊᷏᷽᷿᳴᳸᳹᷀᷁᷃᷄᷅᷆᷇᷈᷉᷋᷌᷑᷒ᷓᷔᷕᷖᷗᷘᷙᷚᷛᷜᷝᷞᷟᷠᷡᷢᷣᷤᷥᷦᷧᷨᷩᷪᷫᷬᷭᷮᷯᷰᷱᷲᷳᷴ᷵᷾᷼᷍‿⁀⁔⃒⃓⃘⃙⃚⃥⃦⃪⃫⵿⃨⃬⃭⃮⃯⃐⃑⃔⃕⃖⃗⃛⃜⃡⃧⃩⃰⳯⳰⳱ⷠⷡⷢⷣⷤⷥⷦⷧⷨⷩⷪⷫⷬⷭⷮⷯⷰⷱⷲⷳⷴⷵⷶⷷⷸ
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𐇽𐋠𐍶𐍷𐍸𐍹𐍺𐨁𐨂𐨃𐨅𐨆𐨌𐨍𐨎𐨹𐨿𐨺𐫦𐨏𐨸𐫥𑀀𑀁𑀂𑀸𑀹𑀺𑀻𑀼𑀽𑀾𑀿𑁀𑁁𑁂𑁃𑁄𑁅𑁆𑁿𑂀𑂁𑂂𑂰𑂱𑂲𑂳𑂴𑂵𑂶𑂷𑂸𑂺𑂹𑄀𑄁𑄂𑄧𑄨𑄩𑄪𑄫𑄬𑄭𑄮𑄯𑄰𑄱𑄲𑅳𑄳𑄴𑆀𑆁𑆂𑆳𑆴𑆵𑆶𑆷𑆸𑆹𑆺𑆻𑆼𑆽𑆾𑆿𑇀𑈬𑈭𑈮𑈯𑈰𑈱𑈲𑈳𑈴𑈶𑈵𑈷𑋟𑋠𑋡𑋢𑋣𑋤𑋥𑋦𑋧𑋨𑋩𑋪𑌁𑌂𑌃𑌼𑌾𑌿𑍀𑍁𑍂𑍃𑍄𑍇𑍈𑍋𑍌𑍍𑍗𑍢𑍣𑍦𑍧𑍨𑍩𑍪𑍫𑍬𑍰𑍱𑍲𑍳𑍴𑒰𑒱𑒲𑒳𑒴𑒵𑒶𑒷𑒸𑒻𑒻𑒼𑒽𑒾𑒿𑓀𑓁𑓃𑓂𑖯𑖰𑖱𑖲𑖳𑖴𑖵𑖸𑖹𑖺𑖻𑖼𑖽𑖾𑗀𑖿𑘰𑘱𑘲𑘳𑘴𑘵𑘶𑘷𑘸𑘹𑘺𑘻𑘼𑘽𑘾𑘿𑙀𑚫𑚬𑚭𑚮𑚯𑚰𑚱𑚲𑚳𑚴𑚵𖫰𖫱𖫲𖫳𖫴𑚷𑚶𖬰𖬱𖬲𖬳𖬴𖬵𖬶𖽑𖽒𖽓𖽔𖽕𖽖𖽗𖽘𖽙𖽚𖽛𖽜𖽝𖽞𖽟𖽠𖽡𖽢𖽣𖽤𖽥𖽦𖽧𖽨𖽩𖽪�
�𖽬𖽭𖽮𖽯𖽰𖽱𖽲𖽳𖽴𖽵𖽶𖽷𖽸𖽹𖽺𖽻𖽼𖽽𖽾𖾏𖾐𖾑𖾒𛲝𛲞𝅧𝅨𝅩𝅥𝅦𝅮𝅯𝅰𝅱𝅲𝅻𝅼𝅽𝅾𝅿𝆀𝆁𝆂𝆊𝆋𞣐𞣑𞣒𞣓𞣔𞣕𞣖𝅭𝆅𝆆𝆇𝆈𝆉𝆪𝆫𝆬𝆭𝉂𝉃𝉄󠄀󠄁󠄂󠄃󠄄󠄅󠄆󠄇󠄈󠄉󠄊󠄋󠄌󠄍󠄎󠄏󠄐󠄑󠄒󠄓󠄔󠄕󠄖󠄗󠄘󠄙󠄚󠄛󠄜󠄝󠄞󠄟󠄠󠄡󠄢󠄣󠄤󠄥󠄦󠄧󠄨󠄩󠄪󠄫󠄬󠄭󠄮󠄯󠄰󠄱󠄲󠄳󠄴󠄵󠄶󠄷󠄸󠄹󠄺󠄻󠄼󠄽󠄾󠄿󠅀󠅁󠅂󠅃󠅄󠅅󠅆󠅇󠅈󠅉󠅊󠅋󠅌󠅍󠅎󠅏󠅐󠅑󠅒󠅓󠅔󠅕󠅖󠅗󠅘󠅙󠅚󠅛󠅜󠅝󠅞󠅟󠅠󠅡󠅢󠅣󠅤󠅥󠅦󠅧󠅨󠅩󠅪󠅫󠅬󠅭󠅮󠅯󠅰󠅱󠅲󠅳󠅴󠅵󠅶󠅷󠅸󠅹󠅺󠅻󠅼󠅽󠅾󠅿󠆀󠆁󠆂󠆃󠆄󠆅󠆆󠆇󠆈󠆉󠆊󠆋󠆌󠆍󠆎󠆏󠆐󠆑󠆒󠆓󠆔󠆕󠆖󠆗󠆘󠆙󠆚󠆛󠆜󠆝󠆞󠆟󠆠󠆡󠆢󠆣󠆤󠆥󠆦󠆧󠆨󠆩󠆪󠆫󠆬󠆭󠆮󠆯󠆰󠆱󠆲󠆳󠆴󠆵󠆶󠆷�
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Re: Letter class in re Serhiy Storchaka <storchaka@gmail.com> - 2015-03-09 15:43 +0200
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