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新手问题 怎样删除字符串当中的特定字符

easonlovejiven · February 04, 2015 · Last by hmilym replied at February 07, 2015 · 5238 hits

怎样删除字符串当中的特定字符

hello_world #2 February 04, 2015 
str = "sabcdaaaa"
str.delete! 'a'
puts str
cloude9101 #3 February 04, 2015 
str.gsub!(/a/, "")
easonlovejiven #4 February 04, 2015

不对啊，，朋友

hmilym #5 February 07, 2015

@easonlovejiven , 

ree-1.8.7-2011.12 :005 > str.gsub!(/a/, "")
 => nil
ree-1.8.7-2011.12 :006 > str
 => "sbcd"

没有不对，gsub! 会改变 str 的值

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