В продолжение прошлого поста про цифры в мире строк.
Почему методы isdigit() и isnumeric() не определяют в строке float и отрицательные значения?
Дело в том, что эти методы работают с ЦИФРАМИ, то есть с единичным символом. А строка "-2" или "3.4" это уже ЧИСЛО. То есть не символ а значение, записанное несколькими символами.
Все озвученные методы проходятся по каждому символу строки и проверяют их индивидуально.
В юникоде есть символы цифр с точками "🄀⒈⒉⒊⒋⒌⒍⒎⒏⒐"
Каждая из них это ОДИН СИМВОЛ, поэтому он будет считаться цифрой
>>> '⒌'.isdigit(), '⒌'.isnumeric()
True, True
Но когда мы пишем это выражение в два символа ( 5+точка), то это не работает.
>>> '5.'.isdigit(), '5.'.isnumeric()
False, False
А еще есть такие символы
>>> '⑴⑵⑶⑷⑸'.isdigit()
True
>>> '🄁🄂🄃'.isdigit()
True
Но они не преобразуются в десятичные цифры
>>> '⒈'.isdecimal()
False
>>> '🄃'.isdecimal()
False
>>> '⑶'.isdecimal()
False
#basic
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The price is testing a key support 2,258.90.
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The market is on a crucial zone of demand 2,331.82.
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The price is testing a key resistance 2,265.42.
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🔅ETHUSD Is Bearish! Sell!📉
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The price is testing a key resistance 2,429.70.
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🔅ETHUSD Will Move Higher! Long!📈
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The market is approaching a significant support area 2,028.29.
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The market is approaching a key horizontal level 1,989.88.
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🔅ETHUSD Is Going Down! Sell!📉
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The market is approaching a significant resistance area 2,131.97.
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The price is testing a key support 1,979.31.
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The market is approaching a key horizontal level 1,961.90.
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The market is approaching a key horizontal level 2,050.77.
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🔅ETHUSD Will Move Higher! Long!📈
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The market is approaching a significant support area 2,676.10.
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🔅ETHUSD Is Very Bearish! Sell!📉
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The price is testing a key resistance 2,894.86.
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