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Ruby On Rails in UA/Code Review, теоретические вопросы/Сборник рецептов для String/Изменение регистра строк

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2008-06-08 04:33:13	Ответить
Ruslan Voloshin Адрес: odessa Сообщений: 1293 Регистр: 2007-03-13 его блог 40 сообщ.	Изменение регистра строк
	s = 'HELLO, I am not here. I WENT to tHe MaRKEt.' s.upcase # => "HELLO, I AM NOT HERE. I WENT TO THE MARKET." s.downcase # => "hello, i am not here. i went to the market." s.swapcase # => "hello, i AM NOT HERE. i went TO ThE mArkeT." s.capitalize # => "Hello, i am not here. i went to the market." #--- un_banged = 'Hello world.' un_banged.upcase # => "HELLO WORLD." un_banged # => "Hello world." banged = 'Hello world.' banged.upcase! # => "HELLO WORLD." banged # => "HELLO WORLD." #--- class String def capitalize_first_letter self[0].chr.capitalize + self[1, size] end def capitalize_first_letter! unless self[0] == (c = self[0,1].upcase[0]) self[0] = c self end # Return nil if no change was made, like upcase! et al. end end s = 'i told Alice. She remembers now.' s.capitalize_first_letter # => "I told Alice. She remembers now." s # => "i told Alice. She remembers now." s.capitalize_first_letter! s # => "I told Alice. She remembers now." #--- 'LOWERCASE ALL VOWELS'.tr('AEIOU', 'aeiou') # => "LoWeRCaSe aLL VoWeLS" 'Swap case of ALL VOWELS'.tr('AEIOUaeiou', 'aeiouAEIOU') # => "SwAp cAsE Of aLL VoWeLS" #--- ------------ Занимаюсь вебом и продвижением сайтов.
	string capitalize, string downcase, string swapcase, string upcase

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