Imports System Imports uCalcSoftware Public Module Program Public Sub Main() Dim uc As New uCalc() Dim t = uc.NewTransformer() '// By default, a comment would cause a syntax error. Console.Write("Before: ") Console.WriteLine(uc.EvalStr("10 + 5 // Add 5")) '// Add a new token definition for C-style comments. '// The regex `//.*` matches from '//' to the end of the line. '// We classify it as Whitespace so the parser skips it. uc.ExpressionTokens.Add("//.*", TokenType.Whitespace) Console.Write("After: ") Console.WriteLine(uc.EvalStr("10 + 5 // Add 5")) End Sub End Module