2017-10-12 54 views
0
text="""[{"token":"03AJzQf7P5tfAY0T8yGDlF_aoPkLgz9-F7aiXzvViQqaaRmcJeFuIq96vmLoPXVK1GW-Fs8xp6OmJWvFvyNa3ayMpvaLkb6R sVkjjWBjqVIW4ziWeHk--Vrd8zVaA-Pt8VxMdoDBYxjRRrCNdeQN-Fk_-Wywb5XceJGdPJbMDZ-BoOB8l3Gq4bFwJTVu56zLT-4fbAsLWqRI7TjEswJ_y2-6NlEOyTTxFblzlZLYFh7urRx2Wra_gdP0-uUxoZydZBzbiPetcYmGo9b1B69-Pmb7akK7aqLUN03mvC3t1bn4u0ZvJGWjBmqhv81QoP3J1u-_Xh p34_dhspsjDpgfxYcHTI3e3yAir_QQ","timestamp":"2017-10-11T23:40:13.436Z"},{"token":"03AJzQf7Mmj_KZVl39Ob1_YnvsJuj4vFS o8ZWXNUJjSEjZqNyH8puB035sZYbQdPLVdOoX8ljyGeDYvxk6Kkf3Sc16EAS0bg0cXUAXzs6LAr3jDZmtW38TjWN5qbykIN_-s0-YpX6F0XJ4Hw3GDl vVkxmAk1btZewbeUp1nwMeM9BGJxkJZ5_2LRCGTERPGICKU4P897_FYcduADw5j1wEd9Yp7TdczRkgkY3qpsNcxlrF_rXv7DAvUxkg2_fussc3RkRgq ZueTMPkDN7B5BYiTBqVeXJ48Lvm6-1R86HgyrcDAPaZ1xMY0JxzMSvU26rChpomXFLERLfxijDNrixfGeh8hSCa0dX1HiLac8yOERKRcbBk1kXLOK8" ,"timestamp":"2017-10-11T23:40:29.916Z"}]""" 

我想解析出這個字符串,並把它放到一個列表中。我只想將令牌值存儲在列表中。難以用正則表達式解析這個字符串?

我當前的代碼(不工作):

token = re.search('(?<="token":").*?"', text) 
print(token.group(0)) 
print(token.group(1)) 

輸出:

03AJzQf7P5tfAY0T8yGDlF_aoPkLgz9-F7aiXzvViQqaaRmcJeFuIq96vmLoPXVK1GW-Fs8xp6OmJWvFvyNa3ayMpvaLkb6RsVkjjWBjqVIW4ziWeHk--Vrd8zVaA-Pt8VxMdoDBYxjRRrCNdeQN-Fk_-Wywb5XceJGdPJbMDZ-BoOB8l3Gq4bFwJTVu56zLT-4fbAsLWqRI7TjEswJ_y2-6NlEOyTTxFblzlZLYFh7urRx2Wra_gdP0-uUxoZydZBzbiPetcYmGo9b1B69-Pmb7akK7aqLUN03mvC3t1bn4u0ZvJGWjBmqhv81QoP3J1u-_Xhp34_dhspsjDpgfxYcHTI3e3yAir_QQ" 

誤差token.group(1):

Traceback (most recent call last): 
    File "main.py", line 45, in <module> 
    print(token.group(1)) 
IndexError: no such groupuUxoZydZBzbiPetcYmGo9b1B69-Pmb7akK7aqLUN03mvC3t1bn4u0ZvJGWjBmqhv81QoP3J1u-_Xhp34_dhspsjDpgfxYcHTI3e3yAir_QQ" 

回答

0

您的文字是一個JSON串。您可以使用json.loads將json字符串轉換爲字典列表。

import json 

text="""[{"token":"03AJzQf7P5tfAY0T8yGDlF_aoPkLgz9-F7aiXzvViQqaaRmcJeFuIq96vmLoPXVK1GW-Fs8xp6OmJWvFvyNa3ayMpvaLkb6R sVkjjWBjqVIW4ziWeHk--Vrd8zVaA-Pt8VxMdoDBYxjRRrCNdeQN-Fk_-Wywb5XceJGdPJbMDZ-BoOB8l3Gq4bFwJTVu56zLT-4fbAsLWqRI7TjEswJ_y2-6NlEOyTTxFblzlZLYFh7urRx2Wra_gdP0-uUxoZydZBzbiPetcYmGo9b1B69-Pmb7akK7aqLUN03mvC3t1bn4u0ZvJGWjBmqhv81QoP3J1u-_Xh p34_dhspsjDpgfxYcHTI3e3yAir_QQ","timestamp":"2017-10-11T23:40:13.436Z"},{"token":"03AJzQf7Mmj_KZVl39Ob1_YnvsJuj4vFS o8ZWXNUJjSEjZqNyH8puB035sZYbQdPLVdOoX8ljyGeDYvxk6Kkf3Sc16EAS0bg0cXUAXzs6LAr3jDZmtW38TjWN5qbykIN_-s0-YpX6F0XJ4Hw3GDl vVkxmAk1btZewbeUp1nwMeM9BGJxkJZ5_2LRCGTERPGICKU4P897_FYcduADw5j1wEd9Yp7TdczRkgkY3qpsNcxlrF_rXv7DAvUxkg2_fussc3RkRgq ZueTMPkDN7B5BYiTBqVeXJ48Lvm6-1R86HgyrcDAPaZ1xMY0JxzMSvU26rChpomXFLERLfxijDNrixfGeh8hSCa0dX1HiLac8yOERKRcbBk1kXLOK8" ,"timestamp":"2017-10-11T23:40:29.916Z"}]""" 

mylist = json.loads(text) 

token = ' '.join(mylist[0]['token'].split()).split() 
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