extension String {
func withBoldText(text: String, font: UIFont? = nil) -> NSAttributedString {
let _font = font ?? UIFont.systemFont(ofSize: 14, weight: .regular)
let fullString = NSMutableAttributedString(string: self, attributes: [NSAttributedString.Key.font: _font])
let boldFontAttribute: [NSAttributedString.Key: Any] = [NSAttributedString.Key.font: UIFont.boldSystemFont(ofSize: _font.pointSize)]
let range = (self as NSString).range(of: text)
fullString.addAttributes(boldFontAttribute, range: range)
return fullString
}}
// USE CASE:
let text = "Discover New Shops.".withBoldText(text: "New")
label.attributedText = headerTitle