# [ruby][string][random][shuffle]產生隨機文字
###### tags: `ruby`,`string`,`random`,`shuffle`
https://stackoverflow.com/questions/88311/how-to-generate-a-random-string-in-ruby
```ruby
#產生隨機8個字母
('a'..'z').to_a.shuffle[0,8].join
#產生隨機8個字母+數字
[*('a'..'z'),*('0'..'9')].shuffle[0,8].join
```
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