如何在列表python的项目中查找字符串

Question

I need your help because want to find a str in a list for to get complete item.

my_list: looks like:

['Mont Saint Martin, 42 rue de Bordeaux', 'Mont de Marsan, 100 avenue Pierre de Coubertin', 'Lyon, 56 rue du Docteur Alb\xc3\xa9ric Pont', 'Lille, 90 rue d\xe2\x80\x99Arras', 'Lyon, 2 all\xc3\xa9e des fleurs']

str: looks like:

"saint" or "de"

Expected list after processing i want to check before ',':

['Mont Saint Martin']

or for str = "de"

['Mont de Marsan']

I have try with:

new = filter(lambda x: x.my_list == str, x)[0]

Thanks for you help.

Answer 1

cities = [w.split(',')[0] for w in my_list]
term = "de"
results = [city for city in cities if term in city.lower()]

Answer 2

Use re.match function.

>>> l = ['Mont Saint Martin, 42 rue de Bordeaux', 'Mont de Marsan, 100 avenue Pierre de Coubertin', 'Lyon, 56 rue du Docteur Alb\xc3\xa9ric Pont', 'Lille, 90 rue d\xe2\x80\x99Arras', 'Lyon, 2 all\xc3\xa9e des fleurs']
>>> st = ["saint","de"]
>>> for i in st:
        for j in l:
            for x in j.split(','):
                if re.match(r'(?i)\S+ ' + i + r' \S+$', x):
                    print(x)


Mont Saint Martin
Mont de Marsan
>>>