3.4.8

 Python 3.4.8 (default, Apr 9 2018, 11:43:18) 
 [GCC 4.4.7 20120313 (Red Hat 4.4.7-18)] on linux 
 Type "help", "copyright", "credits" or "license" for more information. 
 >>> import re 
 >>> re.search(r'b', 'abc').group(0) 
 'b' 
 >>> re.search(r'b', 'abc')[0] 
 Traceback (most recent call last): 
 File "<stdin>", line 1, in <module> 
 TypeError: '_sre.SRE_Match' object is not subscriptable

3.7.2

 Python 3.7.2 (default, Jan 13 2019, 12:50:01) 
 [Clang 10.0.0 (clang-1000.11.45.5)] on darwin 
 Type "help", "copyright", "credits" or "license" for more information. 
 >>> import re 
 >>> re.search(r'b', 'abc').group(0) 
 'b' 
 >>> re.search(r'b', 'abc')[0] 
 'b'

ref

re — Regular expression operations — Python 3.7.3 documentation

Easy access to group! It seems like. Thanks python

By the way ruby example

 [5] pry(main)> 'abc'.match(/b/)[0] 
 => "b"

It may be easier to understand the dictionary

Original by Github issue

チャットメンバー募集

何か質問、悩み事、相談などあればLINEオープンチャットもご利用ください。

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