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2024年1月10日发(作者:vue生命周期八个阶段)

vbnet 正则表达式

中的正则表达式可以使用rExpressions命名空间中的Regex类来实现。以下是一些常用的正则表达式示例:

1. 检查字符串是否匹配特定模式:

vb

Dim input As String = "Hello World"

Dim pattern As String = "Hello"

Dim isMatch As Boolean = h(input, pattern)

2. 查找匹配的字符串:

vb

Dim input As String = "Hello World"

Dim pattern As String = "bw+b"

Dim matches As MatchCollection = s(input, pattern)

For Each match As Match In matches

ine()

Next

3. 替换匹配的字符串:

vb

Dim input As String = "Hello World"

Dim pattern As String = "World"

Dim replacement As String = "Universe"

Dim result As String = e(input, pattern, replacement)

4. 拆分字符串:

vb

Dim input As String = "Hello,World"

Dim pattern As String = ","

Dim parts As String() = (input, pattern)

For Each part As String In parts

ine(part)

Next

这些示例只是中正则表达式的一小部分功能,更复杂的模式匹配和替换可以使用更多的正则表达式语法。您可以参考MSDN文档以获取更多详细信息和示例:


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