xcode - "Right way" to add attributes to all numbers in NSMutableAttributedString -

xcode - "Right way" to add attributes to all numbers in NSMutableAttributedString -

is way add together attributes numbers in nsmutableattributedstring?

let reg: nsregularexpression = nsregularexpression(pattern: "\\d+", options: nil, error: nil)! reg.enumeratematchesinstring(str, options: nil, range: nsmakerange(0, str.length)) { (result, _, _) -> void in paragraph.addattribute(attributename, value: attributevalue, range: result.range) }

or maybe should done in other way? i'm totaly new xcode (comming "php world") want create sure i'm doing things in swift should.

xcode cocoa swift