Question

How to match a substring within 2 square brackets using RegEx in VB.NET

Answer 1

Imports System
Imports System.Text.RegularExpressions
Imports System.Collections.Generic

Class Program
    Public Shared Sub Main()
        Dim input As String = "This is a [sample] string with [multiple] square brackets."
        Dim extracted = ExtractBracketedContent(input)

        For Each item In extracted
            Console.WriteLine(item)
        Next
    End Sub

    Private Shared Function ExtractBracketedContent(ByVal text As String) As List(Of String)
        Dim pattern As String = "\[(.*?)\]"
        Dim matches As MatchCollection = Regex.Matches(text, pattern)
        Dim result = New List(Of String)()

        For Each match As Match In matches
            result.Add(match.Groups(1).Value)
        Next

        Return result
    End Function
End Class



' run:
'
' sample
' multiple
'

 

70+ SQL courses for beginners and professionals

Answer 2

Imports System
Imports System.Text.RegularExpressions

Class Program
    Public Shared Sub Main()
        Dim input As String = "This is a [sample] string with square brackets."
        
		Dim pattern As String = "\[(.*?)\]"
        Dim rgx As Regex = New Regex(pattern)
		
        Dim match As String = rgx.Match(input).Groups(1).Value
        
		Console.WriteLine(match)
    End Sub
End Class



' run:
'
' sample
'

 

70+ SQL courses for beginners and professionals