正則表達式匹配字符串，其中單詞后跟空格，然后是數字點或連字符，單詞后跟空格，然后（一些信息）

Question

我有一個具有以下格式的字符串： name category (more info)

例如： Foo Bar-8.io 5.61.0-rc-1 (data)

我需要一個正則表達式，它基本上過濾掉符合上述格式的字符串。

名稱可以是帶有空格的字母數字， -和.

類別可以以數字開頭，后跟單詞，包括點或連字符

數據可以是任何包含在()中的.*

我試過這個： ^[\w\s]+.*\s.*\(.*\)$但似乎沒有涵蓋上述模式。

Answer 1

利用

^(.*)\s+(\S+)\s+\((.*)\)$

請參閱正則表達式證明。

解釋

--------------------------------------------------------------------------------
  ^                        the beginning of the string
--------------------------------------------------------------------------------
  (                        group and capture to \1:
--------------------------------------------------------------------------------
    .*                       any character except \n (0 or more times
                             (matching the most amount possible))
--------------------------------------------------------------------------------
  )                        end of \1
--------------------------------------------------------------------------------
  \s+                      whitespace (\n, \r, \t, \f, and " ") (1 or
                           more times (matching the most amount
                           possible))
--------------------------------------------------------------------------------
  (                        group and capture to \2:
--------------------------------------------------------------------------------
    \S+                      non-whitespace (all but \n, \r, \t, \f,
                             and " ") (1 or more times (matching the
                             most amount possible))
--------------------------------------------------------------------------------
  )                        end of \2
--------------------------------------------------------------------------------
  \s+                      whitespace (\n, \r, \t, \f, and " ") (1 or
                           more times (matching the most amount
                           possible))
--------------------------------------------------------------------------------
  \(                       '('
--------------------------------------------------------------------------------
  (                        group and capture to \3:
--------------------------------------------------------------------------------
    .*                       any character except \n (0 or more times
                             (matching the most amount possible))
--------------------------------------------------------------------------------
  )                        end of \3
--------------------------------------------------------------------------------
  \)                       ')'
--------------------------------------------------------------------------------
  $                        before an optional \n, and the end of the
                           string