匹配包含单词的整个句子，即使句子跨越多行答案

【问题标题】：Matching an entire sentence containing words even if the sentence spans multiple lines匹配包含单词的整个句子，即使句子跨越多行
【发布时间】：2022-01-11 06:36:42
【问题描述】：

尝试匹配包含某些单词的文档的整个句子，即使该句子跨越多行。

我当前的尝试只捕获不跨越下一行的句子。

^.*\b(dog|cat|bird)\b.*\.

使用 ECMAScript。

【问题讨论】：

标签： javascript regex

【解决方案1】：

当输入中没有缩写时使用

/\b[^?!.]*?\b(dog|cat|bird)\b[^?!.]*[.?!]/gi

见regex proof。

解释

--------------------------------------------------------------------------------
  \b                       the boundary between a word char (\w) and
                           something that is not a word char
--------------------------------------------------------------------------------
  [^?!.]*?                 any character except: '?', '!', '.' (0 or
                           more times (matching the least amount
                           possible))
--------------------------------------------------------------------------------
  \b                       the boundary between a word char (\w) and
                           something that is not a word char
--------------------------------------------------------------------------------
  (                        group and capture to \1:
--------------------------------------------------------------------------------
    dog                      'dog'
--------------------------------------------------------------------------------
   |                        OR
--------------------------------------------------------------------------------
    cat                      'cat'
--------------------------------------------------------------------------------
   |                        OR
--------------------------------------------------------------------------------
    bird                     'bird'
--------------------------------------------------------------------------------
  )                        end of \1
--------------------------------------------------------------------------------
  \b                       the boundary between a word char (\w) and
                           something that is not a word char
--------------------------------------------------------------------------------
  [^?!.]*                  any character except: '?', '!', '.' (0 or
                           more times (matching the most amount
                           possible))
--------------------------------------------------------------------------------
  [.?!]                    any character of: '.', '?', '!'

【讨论】：