Question

我正在使用Ruby 2.2来解析以下文本：

[key1: this is a bunch of text that can 
span multiple lines. 
key2: foo 
key2: bar
key3: this can span multiple lines 
as well 
]

进入一个看起来像这样的哈希数组：

[
    key1: "this is a bunch of text that can span multiple lines."
    key2: ["foo", "bar"]
    key3: "this can span multiple lines as well"
]

我的第一个目标是提出正则表达式来解析键/值对，这就是我所坚持的：

/\[((key1|key2|key3): (.+?))+(?=(?:key1:|key2:|key3:|\]))/m

它不起作用，因为我用来寻找下一个键或右括号的前瞻似乎是匹配文本。我的理解是它没有。

任何建议都将不胜感激。感谢。

Answer 1

data = %Q|[key1: this is a bunch of text that can 
span multiple lines. 
key2: foo 
key2: bar
key3: this can span multiple lines 
as well 
]|

p data[1..-2] #Remove square brackets [...] 
  .split(/(key\d):\s+/)[1..-1] #regexp out keys and values. (And get rid of initial empty string)
  .each_slice(2) #Group into key-value lists
  .group_by(&:shift) # Group by first values

正则表达式解析文本

1 个答案: