I have a string with an array of arrays inside:
我有一个字符串，里面有数组:
"[[1, 2], [3, 4], [5, 6]]"
Can I convert this to the array of arrays, without using eval or a regular expression, gsub, etc.?
我可以不使用eval或正则表达式gsub等将其转换为数组吗?
Can I make turn it into:
我能把它变成:
[[1, 2], [3, 4], [5, 6]]
2 个解决方案
#1
21
How about the following?
以下呢?
require 'json'
arr = JSON.parse("[[1, 2], [3, 4], [5, 6]]") # => [[1, 2], [3, 4], [5, 6]]
arr[0] # => [1, 2]
#2
9
The same can be done using Ruby standard libaray documentation - YAML:
使用Ruby标准libaray文档也可以这样做——YAML:
require 'yaml'
YAML.load("[[1, 2], [3, 4], [5, 6]]")
# => [[1, 2], [3, 4], [5, 6]]
#1
21
How about the following?
以下呢?
require 'json'
arr = JSON.parse("[[1, 2], [3, 4], [5, 6]]") # => [[1, 2], [3, 4], [5, 6]]
arr[0] # => [1, 2]
#2
9
The same can be done using Ruby standard libaray documentation - YAML:
使用Ruby标准libaray文档也可以这样做——YAML:
require 'yaml'
YAML.load("[[1, 2], [3, 4], [5, 6]]")
# => [[1, 2], [3, 4], [5, 6]]