string 如何使用多字符分隔符拆分字符串并保持分隔符
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How to split a string using a multiple character separator and maintain separator
提问by Tanner
Using VB.NET - I have a string:
使用 VB.NET - 我有一个字符串：
"##RES00012##Some value ##RES00034##Another value"
That I want to split using the "##RES"as a separator to:
我想使用"##RES"作为分隔符来拆分：
"##RES00012## Some value"and "##RES00034## Another value"
"##RES00012## Some value"和 "##RES00034## Another value"
The string.splitfunction doesn't seem to offer an overload to split on multiple characters or array of characters and maintain the seperator, which is required for functional purposes.
该string.split函数似乎没有提供重载来拆分多个字符或字符数组并维护分隔符，这是功能性目的所必需的。
I'm looking at simply searching for indexOf("##res")and using string manipulation to do this unless I'm missing something obvious? I've searched SO for a solution but unable to find anything that actually does what I'm after.
我只是在寻找indexOf("##res")并使用字符串操作来执行此操作，除非我遗漏了一些明显的内容？我已经搜索了一个解决方案，但无法找到任何真正符合我要求的东西。
The following is the closest i've found: how-do-i-split-a-string-by-a-multi-character-delimiter-in-c
以下是我发现的最接近的： how-do-i-split-a-string-by-a-multi-character-delimiter-in-c
回答by Fredrik M?rk
Splitting on multiple characters is not that tricky; there are overloads on the String.Split method that does that:
拆分多个字符并不是那么棘手；String.Split 方法有重载，可以做到这一点：
Dim input As String = "##RES00012## Some value ##RES00034## Another value"
Dim parts As String() = input.Split(New String() {"##RES"}, StringSplitOptions.RemoveEmptyEntries)
This will give you an array with two elements:
这将为您提供一个包含两个元素的数组：
"00012## Some value "
"00034## Another value"
However, the separator is left out. This is not overly tricky though; it should be prepended to each of the elements (except the first one if the string does not start with the separator):
但是，分隔符被排除在外。不过，这并不过分棘手。它应该放在每个元素之前（如果字符串不以分隔符开头，则第一个除外）：
Dim input As String = "##RES00012## Some value ##RES00034## Another value"
Dim parts As String() = input.Split(New String() {"##RES"}, StringSplitOptions.RemoveEmptyEntries)
For i As Integer = 0 To parts.Length - 1
If i > 0 OrElse input.StartsWith("##RES") = True Then
parts(i) = "##RES" & parts(i)
End If
Next
回答by user2979918
Just use Microsoft.VisualBasic.Strings.Split():
只需使用Microsoft.VisualBasic.Strings.Split()：
Dim inputs As String = "first value##second value##third value"
Dim parts As String() = Strings.Split(inputs,"##")
