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Python文法詳解
book

Python文法詳解

by 石本 敦夫
September 2014
Intermediate to advanced
332 pages
6h 48m
Japanese
O'Reilly Japan, Inc.
Content preview from Python文法詳解
112
4 章 シーケンスとコンテナ型
>>> 'spam1'.isalnum()
True
>>> '()'.isalnum()
False
>>> 'a
b
1
'.isalnum() #
全角英数も
True
True
>>> '

'.isalnum() #
日本語の文字も
True
True
str.isalpha()
文字列が空ではなく、全ての文字がアルファベットなら
True
を、それ以外なら
False
を返し
ます。
Unicode
文字データベースで
"Letter"
に分類される文字(
General_Category
Lu
Ll
Lt
Lm
Lo
のいずれか)を、アルファベットと判定します。
>>> 'spam'.isalpha()
True
>>> '

'.isalpha() #
日本語の文字も
True
True
str.isdecimal()
文字列が空ではなく、全ての文字が
10
進数字なら
True
を、それ以外なら
False
を返します。
Unicode
文字データベースで
10
進数(
General_Category
Nd
)に分類される文字を、
10
進数字
と判定します。
>>> '1
'.isdecimal() #
数字、全角数字なら
True
True
>>> '
'.isdecimal() #
文字や漢数字は
False
False
str.isdigit()
文字列が空ではなく、全ての文字が数字なら
True
を、それ以外なら
False
を返します。
Unicode
文字データベースで、
Numeric_Type ...
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Publisher Resources

ISBN: 9784873116884Other