Imports System Imports uCalcSoftware Public Module Program Public Sub Main() Dim uc As New uCalc() Dim t = uc.NewTransformer() '// Define a custom string literal using pipe characters `|...|`. '// The regex `\|([^\|]*)\|` captures the inner content in group 1. '// We set `subMatchGroup` to 1 to use this group as the token's value. Dim pipeStringToken = t.Tokens.Add("\|([^\|]*)\|", TokenType.Literal, "", 1) '// Complete the definition by setting the data type and QuotedText property. pipeStringToken.DataType = uc.DataTypeOf("String") pipeStringToken.IsProperty(ItemIs.QuotedText, true) '// Define a simple rule to prove the token works. t.FromTo("Test: {@String:s}", "Found: {s(0)} | Content: {s(1)}") '// The transformer now recognizes |...| as a string literal. Console.WriteLine(t.Transform("Test: |hello|")) End Sub End Module