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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
117
4.5 文字列
パラメタ
sep
文字列を分割するセパレータ文字列を指定します。
>>> 'spam/ham'.partition('/')
('spam', '/', 'ham')
文字列にセパレータが含まれない場合は、文字列全体と空文字列
2
つを要素とした、長さ
3
タプルを返します。
>>> 'spam/ham'.partition(',')
('spam/ham', '', '')
str.replace(
old
,
new
[,
count
])
文字列中に出現する
old
を、すべて
new
に置き換えた文字列を返します。
パラメタ
old
置換元文字列を指定します。
new
置換先文字列を指定します。
count
最大置換回数を指定します。
>>> 'spam egg spam spam bacon and spam'.replace('spam', 'ham')
'ham egg ham ham bacon and ham'
count
に整数値を指定すると、指定した回数だけしか置換を行いません。
>>> 'spam egg spam spam bacon and spam'.replace('spam', 'ham', 2)
'ham egg ham spam bacon and spam'
str.rfind(
sub
[,
start
[,
end
]])
文字列
sub
を末尾から検索し、一番後ろで見つかった位置を返します。見つからなければ、
-1
を返します。
パラメタ
sub
検索文字列を指定します。 ...
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Publisher Resources

ISBN: 9784873116884Other