Ruby中 split 方法

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split 方法 ==> 把字符串拆分成有三个元素的数组

Date.today => Wed, 15 Feb 2017 2.3.0 :002 > Date.today.to_s => "2017-02-15" 2.3.0 :003 > Date.today.to_s.split('-‘) #分割剔除 . => ["2017", "02", "15"] 2.3.0 :004 > Date.today.to_s.split('-')[1..-1] => ["02", "15"] 2.3.0 :005 > Date.today.to_s.split('-')[1..-1].join() => "0215" a.last == a[-1]
# split 结合 正则表达式 高级用法# 分割剔除( ,和 | )string ="0.504,0.408|0.625|1"2.3.1 :002 > string.split(/\,|\|/) => ["0.504", "0.408", "0.625", "1"] 
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