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
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🔅BITCOIN Will Go Down From Resistance! Sell!📉
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The market is approaching a key horizontal level 78,161.73.
Considering the today's price action, probabilities will be high to see a movement to 77,165.90.
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The market is trading around a solid horizontal structure 73,205.33.
The above observations make me that the market will inevitably achieve 68,619.32 level.
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The market is on a crucial zone of demand 69,527.38.
The oversold market condition in a combination with key structure gives us a relatively strong bullish signal with goal 70,433.22 level.
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🔅BITCOIN Will Go Up! Buy!📈
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The price is testing a key support 69,833.99.
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The market is trading around a solid horizontal structure 70,229.88.
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