假設我有一個很大的區分聯合類型： type Thing =
| One of int
| Two of string
| Three of bool option
...
而且我有這樣的功能： let comp a b = match a, b with
| One _, One _ -> true
| Two _, Two _ -
匹配我的術語列表如下： a
abc
a abc
a a abc
abc
我想匹配的文本的條款，或者變更爲「字詞1，詞條2」的名字。但我想找到最長的匹配作爲正確的匹配。 Text: I have a and abc maybe abc again and also a a abc.
Output: I have term1 and term2 maybe term2 again and
我有以下SQL結果條目。 Result
---------
TW - 5657980 Due Date updated : to <strong>2017-08-13 10:21:00</strong> by <strong>System</strong>
TW - 5657980 Priority updated from <strong> Medium</strong> to <stro
在Scala中，案例類看起來是這樣的： val alice = Person("Alice", 25, Address("1 Scala Lane", "Chicago", "USA"))
val bob = Person("Bob", 29, Address("2 Java Ave.", "Miami", "USA"))
val charlie = Person("Charlie", 3
假設多行文本文件file。 $cat file
foo bar baz
foo bar baz qux
foo bar baz quux # Line to be deleted
foo bar quux
我希望刪除所有那些fullfill兩個條件線：（a）該行包含關鍵字「QUUX」，和（b）的線是立即由包含一個線preceeded關鍵字「qux」。 $cat file | sough