var msp = SpannableString(txtv.text)
var lowerStr = txtv.text.toString().toLowerCase()
Log.d("shawnKeyWordSearch", "keyword:$keyword")
val pattern: Pattern = Pattern.compile(keyword.toLowerCase())
val matcher: Matcher = pattern.matcher(lowerStr)
while (matcher.find()) {
val start: Int = matcher.start()
val end: Int = matcher.end()
msp.setSpan(ForegroundColorSpan(ContextCompat.getColor(context, R.color.water_blue)), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
}
txtv.text = msp
shawn