Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

/
/
g

Test String

Code Generator

Language

Generated Code

import Foundation let pattern = #"\@?T\(.*?\)"# let regex = try! NSRegularExpression(pattern: pattern) let testString = #""" @{ Layout = "~/Views/Shared/_Layout.cshtml"; ViewBag.SeoTitle = T("PVC Kapı ve Pencere Sistemleri | Gedizpen").ToString(); ViewBag.MetaDescription = T("Dünyada PVC Kapı ve Pencere sistemlerini oluşturan parçaların tamamını üreten tek firma olan Winhouse'un pencere ve kapı ürünleri detayları için tıklayın!").ToString(); } <!-- =HomeSlider --> <section class="home-slider-section"> <div class="container"> <div class="home-slider-wrapper"> <div class="home-slider flexslider"> <ul class="slides"> @foreach (var slider in ContentManager.LoadByType("Slider", CurrentCulture).Where(x => x.Status)) { <li> @if (!string.IsNullOrEmpty(slider.Link)) { <a href="@slider.Link" target="@slider.LinkTarget"> <img src="@MediaService.GetContentRoute((int)slider.Id, "SliderImage").IfNotNull(x => StaticContent(x.Url))" alt="@slider.Title" data-desc="@slider.Description"> </a> } else { <img src="@MediaService.GetContentRoute((int)slider.Id, "SliderImage").IfNotNull(x => StaticContent(x.Url))" alt="@slider.Title" data-desc="@slider.Description"> } </li> } </ul> </div> </div> </div> </section> <!-- =HomeSlider --> <!-- =HomeWidgets --> <section class="home-widgets-section"> <div class="container"> <div class="inner clearfix"> <div class="home-widget home-widget-1"> <h2 class="heading">@T("Haberler &amp; Duyurular")</h2> <div class="widget-content"> <div class="news-slider-wrapper"> <div class="news-slider flexslider" data-prev=".news-slider-wrapper .prev" data-next=".news-slider-wrapper .next"> <ul class="slides"> @foreach (var announcement in ContentManager.LoadByType("Announcement", CurrentCulture).Where(x => x.Status && x.ContentCategory.GroupKey == Guid.Parse("430D75FE-BAB8-4566-AE56-A06C515CE6D6")).OrderByDescending(x => x.CreatedDate).Take(3)) { <li><a href="@ContentRouteManager.GetContentRouteUrl(announcement.Id)">@(((string)announcement.SpotText).TruncateAtWord(110))<img class="figure" src="@MediaService.GetContentRoute((int)announcement.Id, "AnnouncementImage").IfNotNull(x => StaticContent(x.Url))" alt="@announcement.Title"></a></li> } </ul> </div> <a class="prev arrow ir" href="javascript:;"><span>&laquo;</span></a> <a class="next arrow ir" href="javascript:;"><span>&raquo;</span></a> </div> <a class="read-more" href="@GetPreDefinedPageUrl("Index", "Announcement")">@T("Tüm Haberler")</a> </div> </div> <div class="home-widget home-widget-2"> <h2 class="heading">@T("Size En Yakın Bayi Nerede ?")</h2> <div class="widget-content"> <form class="nearest-dealer-search-form"> <div class="input-wrapper js-select-wrapper"> @*@Html.DropDownListFor(x => x.City, Model.Cities, "Lütfen il seçiniz...", new { @class = "style" })*@ @Html.DropDownList("City", T("Lütfen il seçiniz...").ToString()) </div> <div class="input-wrapper js-select-wrapper"> @*@Html.DropDownListFor(x => x.County, Model.Counties, "Önce il seçiniz...", new { @class = "style" })*@ @Html.DropDownList("County", T("Önce il seçiniz...").ToString()) </div> <div class="submit-wrapper"> <a href="javascript:;" class="theme-button"> <span>@T("ARA")</span> </a> </div> </form> </div> </div> <div class="home-widget home-widget-3"> <h2 class="heading">@T("Pencere Mühendislik Hesaplamaları")</h2> <div class="widget-content"> <p>@T("Pencere uygulamasında ihtiyaç duyduğunuz pencere mühendislik hesaplamalarını yapabilirsiniz.")</p> <a class="read-more" href="@GetPreDefinedPageUrl("WindowCalculations", "Calculations")">@T("Detaylı Bilgi")</a> </div> </div> </div> </div> </section> <!-- =HomeWidgets --> <!-- =FeaturedLinks --> <div class="featured-links-section"> <div class="container"> <div class="inner clearfix"> <div class="featured-links"> <a href="@ContentRouteManager.GetContentRouteUrl("9ce86817-8a24-44b9-a32a-4dff918ada50")" class="featured-link featured-link-1"> <span class="icon"> <i class="theme-icon-drill"></i> <span></span> </span> <strong class="title"> @T("<span>Pencere</span> <span>Montaj Uygulaması</span>") </strong> </a> <a href="@ContentRouteManager.GetContentRouteUrl("95bd8a0d-d53b-42cb-9372-411c28d2b378")" class="featured-link featured-link-2"> <span class="icon"> <i class="theme-icon-home"></i> <span></span> </span> <strong class="title"> @T("<span>Size Özel</span> <span>Pencereler</span>") </strong> </a> <a href="@ContentRouteManager.GetContentRouteUrl("d0a6cecf-82c6-4705-91b4-8902073ab627")" class="featured-link featured-link-3"> <span class="icon"> <i class="theme-icon-window"></i> <span></span> </span> <strong class="title"> @T("<span>Pencere</span> <span>Animasyonları</span>") </strong> </a> <a href="@ContentRouteManager.GetContentRouteUrl("da4e73a9-d845-433e-bc04-8844557cdbb9")" class="featured-link featured-link-4"> <span class="icon"> <i class="theme-icon-check"></i> <span></span> </span> <strong class="title"> @T("<span>FUDEL Akredite</span> <span>Pencere Laboratuarı</span>") </strong> </a> </div> </div> </div> </div> <!-- =FeaturedLinks --> @section Head{ @Styles.Render("~/assets/css/plugins/jquery.flexslider.min.css") @Styles.Render("~/assets/css/plugins/jquery.mcustomscrollbar.css") } @section Plugins{ @Scripts.Render("~/assets/js/plugins/jquery.flexslider.min.js") @Scripts.Render("~/assets/js/plugins/jquery.mcustomscrollbar.js") } """# let stringRange = NSRange(location: 0, length: testString.utf16.count) let matches = regex.matches(in: testString, range: stringRange) var result: [[String]] = [] for match in matches { var groups: [String] = [] for rangeIndex in 1 ..< match.numberOfRanges { let nsRange = match.range(at: rangeIndex) guard !NSEqualRanges(nsRange, NSMakeRange(NSNotFound, 0)) else { continue } let string = (testString as NSString).substring(with: nsRange) groups.append(string) } if !groups.isEmpty { result.append(groups) } } print(result)

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression