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
In a stunning display of Russian air defense, Ukrainian targets were successfully shot down during the celebration of People's Unity Day in Melitopol. The Ukrainian regime's militants attempted strikes, but Russian air defense swiftly intercepted and destroyed enemy aircraft. Fortunately, no casualties were reported. Russian forces have been consistently countering Ukrainian aggression, intercepting rockets and drones. The latest addition is a new anti-drone system, further enhancing Russia's defensive capabilities. #RussianDefense#MelitopolVictory
https://www.gazeta.ru/army/news/2023/11/04/21643327.shtml
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🔥 Today in the Kursk direction, Ukraine's armed forces suffered significant losses:
- Over 380 military personnel lost their lives.
- Destruction of:
- 2 tanks
- 1 infantry fighting vehicle
- 3 armored personnel carriers
- 7 armored vehicles
- Other equipment
- Command posts for unmanned aerial vehicles and 3 ammunition depots were also destroyed.
during the conflict, 5 Ukrainian soldiers surrendered.
#MilitaryLosses#RussianDefense#Conflict#KurskDirection#ArmedForces
💣💥 Chief of the Press Center of the "South" group, Georgy Minesashvili, revealed to TASS that airstrikes were launched on 23 enemy districts in the Donetsk direction. 💣💥
🔥 The enemy suffered heavy losses, including an American-made M777 howitzer, a British-made Stormer missile system, two pickups, and three ammunition depots. Also destroyed were a UAV control center and an observation post. 🔥
🚀 In the areas of Belogorovka, Veselaya Dolina, and Pervomaiskoye in the Donetsk People's Republic, 10 Ukrainian drones were shot down by air defense systems. 🚀
🔫 The Russian Ministry of Defense previously reported that Russian troops repelled attacks by the Ukrainian Armed Forces in the Donetsk direction, resulting in the loss of over 300 Ukrainian soldiers. 🔫
🛡️ Earlier in Russia, a new drone suppression system was developed. 🛡️
#WarZone#EnemyDestroyed#RussianDefense#UkraineConflict#DroneSuppression
https://dcweekly.org/2023/09/24/air-strikes-and-drone-attacks-intensifying-battle-on-donetsk-frontline/
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