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Изворен канал @pythonotes · Post #65 · 8 апр.
Небольшой трик с регулярными выражениями который редко вижу в чужом коде. Допустим, вам нужно распарсить простой текст и вытащить оттуда пары имя+телефон. Вернуть всё это надо в виде списка словарей. Возьмем очень простой пример текста. >>> text = ''' >>> Alex:8999123456 >>> Mike:+799987654 >>> Oleg:+344456789 >>> ''' Соответственно, для выделения нужных элементов будем использовать группы. Получится такой паттерн: (\w+):([\d+]+) Как мы будем формировать словарь из найденных групп? >>> import re >>> results = [] >>> for match in re.finditer(r"(\w+):([\d+]+)", text): >>> results.append({ >>> "name": match.group(1), >>> "phone": match.group(2) >>> }) >>> print(results) [{'name': 'Alex', 'phone': '8999123456'}, ...] Можно немного сократить запись используя zip >>> results = [] >>> for match in re.finditer(r"(\w+):([\d+]+)", text): >>> results.append(dict(zip(['name', 'phone'], match.groups()))) Но есть способ лучше! Это именованные группы в regex. Можно в паттерне указать имя группы и результат сразу забрать в виде словаря. >>> for match in re.finditer(r"(?P<name>\w+):(?P<phone>[\d+]+)", text): >>> results.append(match.groupdict()) То есть всё что я сделал, это добавил в начале группы (внутри сбокочек) такую запись: (?P<group-name>...) Теперь найденная группа имеет имя и можно обратиться к ней как к элементу списка >>> name = match['name'] Либо забрать сразу весь словарь методом groupdict() >>> match.groupdict() #tricks#regex
Пребарај: #bathrooms
@dzdigital3 · Post #18959 · 03.09.2025 г., 20:52
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@dzdigital3 · Post #18958 · 03.09.2025 г., 20:52
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@dzdigital3 · Post #18957 · 02.09.2025 г., 22:23
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@dzdigital3 · Post #18919 · 27.08.2025 г., 12:21
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@dzdigital3 · Post #18909 · 25.08.2025 г., 14:52
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@dzdigital3 · Post #18905 · 24.08.2025 г., 14:19
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@dzdigital3 · Post #18903 · 23.08.2025 г., 14:58
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@dzdigital3 · Post #18901 · 22.08.2025 г., 10:05
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@dzdigital3 · Post #18900 · 21.08.2025 г., 22:13
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@dzdigital3 · Post #18895 · 20.08.2025 г., 18:13
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@dzdigital3 · Post #18891 · 19.08.2025 г., 15:28
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@dzdigital3 · Post #18890 · 18.08.2025 г., 12:08
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