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[py2rb] isupper isalpha

Last updated at Posted at 2021-12-22

はじめに

移植やってます

isupper isalpha (Python)

if sequence.isupper() and sequence.isalpha():

この場合、文字列sequenceが英字で大文字ですね。

[追記]
コメント欄に、興味深い話があります。

Regexp (Ruby)

sequence = 'ABCDEF'
puts sequence =~ /^[A-Z]+$/
sequence = 'abcdef'
puts sequence =~ /^[A-Z]+$/
sequence = 'ABC123'
puts sequence =~ /^[A-Z]+$/
sequence = 'ABCdef'
puts sequence =~ /^[A-Z]+$/
sequence = 'ABCD-F'
puts sequence =~ /^[A-Z]+$/

正規表現ですよね。
\A...\zって書いたほうが良いそうです。

メモ

  • Python の isupper isalpha を学習した
  • 道のりは遠そう
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