Get a Mail-Merge Replacement String by Pattern

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Demonstrates the Chilkat Email.GetReplaceString2 method, which returns the replacement string for a previously-defined pattern/replacement pair, looked up by the pattern itself (a mail-merge feature). This example defines two pairs and looks up the replacement for one pattern by name.

Background: Where GetReplaceString fetches a replacement by its numeric position, GetReplaceString2 fetches it by the pattern — convenient when you already know the token (say FIRST_NAME) and just want its configured substitution without scanning the whole list.

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    //  Demonstrates the GetReplaceString2 method, which returns the replacement string for a
    //  previously-defined pattern/replacement pair, looked up by the pattern itself (a
    //  mail-merge feature).

    email := chilkat.NewEmail()
    email.SetSubject("Hello FIRST_NAME")
    email.SetBody("Dear FIRST_NAME, welcome to CITY.")

    email.SetReplacePattern("FIRST_NAME","John")
    email.SetReplacePattern("CITY","Denver")

    //  Look up the replacement for a specific pattern.
    repl := email.GetReplaceString2("FIRST_NAME")
    fmt.Println("FIRST_NAME -> ", *repl)

    email.DisposeEmail()