September 2014
Intermediate to advanced
332 pages
6h 48m
Japanese
Content preview from Python文法詳解
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99
4.5 文字列
\ooo
文字コードを、
8
進数の数値
ooo
で指定します。数値は、最大
3
桁まで指定できます。
>>> '\163\160\141\155'
'spam'
\xhh
文字コードを、
2
桁の
16
進数
hh
で指定します。
>>> '\x73\x70\x61\x6d'
'spam'
\uhhhh
文字コードを、
4
桁の
16
進数
hhhh
で指定します。
>>> '\u30b9\u30d1\u30e0'
'
スパム
'
\Uhhhhhhhh
文字コードを、
8
桁の
16
進数
hhhhhhhh
で指定します。
>>> '\U000030b9\U000030d1\U000030e0'
'
スパム
'
\N{name}
Unicode
文字データベース
(UCD)
で定義された名前で、文字を指定します。
>>> '\N{KATAKANA LETTER SU}\N{KATAKANA LETTER PA}\N{KATAKANA LETTER MU}'
'
スパム
'
4.5.2
raw
文字列
正規表現式などの、バックスラッシュ
(
\
)
を多く使う文字列リテラルを記述する場合、バックス
ラッシュをいちいちエスケープして
\
と記述しなければならず、読みにく、間違えやすくなってし
まいます。
'(\\d+)(\\\\)(\\d+)' #
数値をバックスラッシュで区切った文字列の正規表現式
100
第 4 章 シーケンスとコンテナ型
文字列リテラルの先頭に
r
か
R
を付けると、その文字列リテラルではエスケープシーケンスを展
開せず、書かれたそのままの文字列が値となります。このような文字列を ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.