小编Kav*_*cat的帖子

如何在rails中对哈希进行排序

我有一个哈希

x= {
  "1"=>{:name=>"test1", :age=>"1"}, 
  "5"=>{:name=>"test2", :age=>"5"}, 
  "2"=>{:name=>"test3", :age=>"2"}, 
  "4"=>{:name=>"test4", :adn=>"4"}, 
  "3"=>{:name=>"test5", :adn=>"3"}
 }
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期望输出

x= {
  "1"=>{:name=>"test1", :age=>"1"}, 
  "2"=>{:name=>"test3", :age=>"2"}, 
  "3"=>{:name=>"test5", :age=>"3"}, 
  "4"=>{:name=>"test4", :adn=>"4"}, 
  "5"=>{:name=>"test2", :adn=>"5"}
 }
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到目前为止,我尝试做 x.sort.flatten 并且我得到了

[
  "1", {:name=>"test1", :age=>"1"}, 
  "2", {:name=>"test3", :age=>"2"}, 
  "3", {:name=>"test5", :adn=>"3"}, 
  "4", {:name=>"test4", :adn=>"4"}, 
  "5", {:name=>"test2", :age=>"5"}
]
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ruby arrays hash ruby-on-rails-3

6
推荐指数
1
解决办法
3475
查看次数

如何从字符串数组中提取数字?(我正在使用正则表达式)

我有一个字符串数组

test= ["ChangeServer<br/>Test: 3-7<br/>PinCode:DFSFSDFB04008<br/>ShipCode:DFADFSDFSDM-000D3<br/>SomeCode:sdfsdf", "werwerwe", "adfsdfsd", 
"sdfsdfsdfsd<br/>Test: 9<br/>PinCode:ADFSDF4NS0<br/>ShipCode:FADFSDFD-9ZM170<br/>"]
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我想要抓住的号码后Test:,其上面的字符串的阵列中是3,4,5,6,7(范围3-7)和9

期望的输出:

["3","4","5","6","7","9"]
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到目前为止我尝试了什么

test.join.scan(/(?<=Test: )[0-9]+/)
=> ["3", "7"]
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如何处理范围?

第二个测试案例:

    test= ["ChangeServer<br/>Test: 3-7<br/>PinCode:DFSFSDFB04008<br/>ShipCode:DFADFSDFSDM-000D3<br/>SomeCode:sdfsdf", "werwerwe", "adfsdfsd", 
"sdfsdfsdfsd<br/>Test: 9<br/>PinCode:ADFSDF4NS0<br/>ShipCode:FADFSDFD-9ZM170<br/>", "sdfsdfsdfsd<br/>Test: 15-18<br/>PinCode:ADFSDF4NS0<br/>ShipCode:FADFSDFD-9ZM170<br/>"]
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期望的输出:

["3","4","5","6","7","9","15","16","17","18"]
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ruby regex

1
推荐指数
1
解决办法
116
查看次数

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ruby ×2

arrays ×1

hash ×1

regex ×1

ruby-on-rails-3 ×1