<div dir="ltr">TextCheckingResult i<div class="gmail_default" style="font-family:georgia,serif;display:inline">s</div><div class="gmail_default" style="font-family:georgia,serif;display:inline"> <a href="https://developer.apple.com/reference/foundation/nstextcheckingresult#">NSTextCheckingResult</a>。</div><div><br></div><div><div class="gmail_default" style="font-family:georgia,serif">Zhaoxin</div><br><div class="gmail_default" style="font-family:georgia,serif"><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Aug 6, 2016 at 8:25 PM, 晓敏 褚 <span dir="ltr"><<a href="mailto:swift-users@swift.org" target="_blank">swift-users@swift.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I’m writing a program with regular expressions, and I’m finding it extremely hard to code with these in swift. I got a [TextCheckingResult] from the matching function, and there is no document on what TextCheckingResult is and how could I work with it. And when I try to use range to get a substring, I got a Range<Int>, but the substring:with: method requies a Range<Index>. But there is no way I could find any information about the type(or protocol?) Index, and passing a Int fails.<br>
What are they, and how can I work with them?<br>
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