[英]Regex to match repeating groups in python
我有一個country.txt文件,其中包含以下示例文本:
[Country "Kenya"]\n[CapitalCity "Nairobi"]\n\n
[Country "Uganda"]\n[CapitalCity "Kampala"]\n\n
[Country "Tanzania"]\n[CapitalCity "Dodoma"]\n\n
該國家最多可以有20個屬性。 為了簡單起見,我僅包括Country和CapitalCity。 我需要一個可在python中工作的正則表達式,以返回上面的示例數據:
a) n matches, in the above case n=3
b) Each match should have m groups, in this case m=2: Country and CapitalCity
我已經閱讀了https://www.regular-expressions.info/captureall.html,但似乎無法使它適用於我的用例。
我已經試過了
(\[([A-Za-z]+)\s\"([^\"]*)\"\]\\n\\n)+
在這里https://regex101.com/r/cujIDd/1,但它沒有給我國家。
編輯 :預期的輸入和輸出
示例1:輸入
[Country "Kenya"]\n[CapitalCity "Nairobi"]\n\n
[Country "Uganda"]\n[CapitalCity "Kampala"]\n\n
[Country "Tanzania"]\n[CapitalCity "Dodoma"]\n\n
預期產量
matches: 3
match 1: Country: Kenya
CapitalCity: Nairobi
match 2: Country: Uganda
CapitalCity: Kampala
match 3: Country: Tanzania
CapitalCity: Dodoma
示例2:輸入
[Country "Kenya"]\n[CapitalCity "Nairobi"]\n[President "Kenyatta"]\n\n
[Country "Uganda"]\n[CapitalCity "Kampala"]\n[President "Museveni"]\n\n
[Country "Tanzania"]\n[CapitalCity "Dodoma"]\n[President "Magufuli"]\n\n
預期產量
matches: 3
match 1: Country: Kenya
CapitalCity: Nairobi
President: Kenyatta
match 2: Country: Uganda
CapitalCity: Kampala
President: Museveni
match 3: Country: Tanzania
CapitalCity: Dodoma
President: Magufuli
示例3:輸入
[Country "Kenya"]\n[CapitalCity "Nairobi"]\n[President "Kenyatta"]\n[Continent "Africa"]\n\n
[Country "Uganda"]\n[CapitalCity "Kampala"]\n[President "Museveni"]\n[Continent "Africa"]\n\n
[Country "Tanzania"]\n[CapitalCity "Dodoma"]\n[President "Magufuli"]\n[Continent "Africa"]\n\n
預期產量
matches: 3
match 1: Country: Kenya
CapitalCity: Nairobi
President: Kenyatta
Continent: Africa
match 2: Country: Uganda
CapitalCity: Kampala
President: Museveni
Continent: Africa
match 3: Country: Tanzania
CapitalCity: Dodoma
President: Magufuli
Continent: Africa
你得到了流
您可能會使用類似於以下內容的東西:
regex = r"^[^\"]*\"(\w+)\"[^\"]+\"(\w+)\"[^\"].*"
subst = "\\1, \\2"
result = re.sub(regex, subst, test_str, 0, re.MULTILINE)
if result:
print (result)
輸出 :
Kenya, Nairobi
Uganda, Kampala
Tanzania, Dodoma
范例 :
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