Vb Net检查arrayList是否包含子字符串

问题描述

我正在使用myArrayList.Contains(myString)和myArrayList.IndexOf(myString)来检查arrayList是否包含提供的字符串并分别获取其索引.

I am using myArrayList.Contains(myString) and myArrayList.IndexOf(myString) to check if arrayList contains provided string and get its index respectively.

但是，如何检查是否包含子字符串?

But, How could I check if contains a substring?

Dim myArrayList as New ArrayList()
myArrayList.add("sub1;sub2")
myArrayList.add("sub3;sub4")

所以，类似myArrayList.Contains("sub3")应该返回True

so, something like, myArrayList.Contains("sub3") should return True

推荐答案

那么您可以使用ArrayList来搜索子字符串

Well you could use the ArrayList to search for substrings with

Dim result = myArrayList.ToArray().Any(Function(x) x.ToString().Contains("sub3"))

当然，使用强类型的List(Of String)的建议是绝对正确的.

Of course the advice to use a strongly typed List(Of String) is absolutely correct.

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