rich-text-hyperlink-attachlink.kt

fun attachLink(
    source: String,
    segment: String,
    link: String
): AnnotatedString {
    val builder = AnnotatedString.Builder() // builder to attach metadata(link)
    builder.append(source) // load current text into the builder

    val start = source.indexOf(segment) // get the start of the span "my website"
    val end = start + segment.length // get the end of the span
    val hyperlinkStyle = SpanStyle(
        color = Color.Blue,
        textDecoration = TextDecoration.Underline
    ) // create a hyperlink text style

    builder.addStyle(hyperlinkStyle, start, end) // style "my website" to make it look like a link
    builder.addStringAnnotation(TAG_URL, link, start, end) // attach the link to the span. We can then access it via the TAG_URL

    return builder.toAnnotatedString()
}