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

// include the latest version of the regex crate in your Cargo.toml extern crate regex; use regex::Regex; fn main() { let regex = Regex::new(r"\@?T\(.*?\)").unwrap(); let string = "@{ 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\") }"; // result will be an iterator over tuples containing the start and end indices for each match in the string let result = regex.captures_iter(string); for mat in result { println!("{:?}", mat); } }

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 Rust, please visit: https://docs.rs/regex/latest/regex/