How can I get the characters between 2 other characters?

Question

I have a string which at some point contains the set of characters in the following format [123].

What I would like to do is get the characters between

Answer 1

You could use regular expression.

    Dim s, result As String
    Dim r As RegularExpressions.Regex

    s = "aaa[bbbb]ccc"
    r = New RegularExpressions.Regex("\[([^\]]*)\]")

    If r.IsMatch(s) Then
        result = r.Match(s).Value
    Else
        result = ""
    End If