从vb.net中的字符串中提取字符 | net中的字符串中提取字符

本文介绍了从vb.net中的字符串中提取字符的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我正忙于过去的考试文件，准备下周的vb.net考试。我遇到的问题如下。

I am busy working on past exam papers in preparation for my vb.net exam next week. The question I am struggling with is as follows.

取一个长字符串的字母字符和特殊字符
将字母字符提取到string1并提取特殊字符to string2

Take in a long string of alphabetical characters and special charactersextract the alphabetical characters to string1 and extract special characters to string2

所以字符串hello：// thisismystring !?必须显示如下

so the string hello://thisismystring!? must be displayed as follows

string1 = hellothisismystring
string2 = ://!?

我的问题是这个如何从字符串中提取字符并将它们存储在变量

My question is this how do I extract characters from a string and store them in a variable?

推荐答案

一种Unicode兼容，干净和容易的方法。

One way that is Unicode-friendly, clean and easy.

Imports System.Text

Module Module1

    Sub Main()
        Dim sValue As String = "hello://thisismystring!?"
        Dim a As New StringBuilder
        Dim b As New StringBuilder
        For Each c As Char In sValue
            If Char.IsLetter(c) Then
                a.Append(c)
            Else
                b.Append(c)
            End If
        Next
        Dim s1 As String = a.ToString()
        Dim s2 As String = b.ToString()
    End Sub

End Module

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