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
Processing...

Test String

Code Generator

Language

Generated Code

import re regex = re.compile(r"\@?T\(.*?\)") test_str = ("@{\n" " Layout = \"~/Views/Shared/_Layout.cshtml\";\n" " ViewBag.SeoTitle = T(\"PVC Kapı ve Pencere Sistemleri | Gedizpen\").ToString();\n" " 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();\n" "}\n\n" "<!-- =HomeSlider -->\n" "<section class=\"home-slider-section\">\n" " <div class=\"container\">\n" " <div class=\"home-slider-wrapper\">\n" " <div class=\"home-slider flexslider\">\n" " <ul class=\"slides\">\n" " @foreach (var slider in ContentManager.LoadByType(\"Slider\", CurrentCulture).Where(x => x.Status))\n" " {\n" " <li>\n" " @if (!string.IsNullOrEmpty(slider.Link))\n" " {\n" " <a href=\"@slider.Link\" target=\"@slider.LinkTarget\">\n" " <img src=\"@MediaService.GetContentRoute((int)slider.Id, \"SliderImage\").IfNotNull(x => StaticContent(x.Url))\" alt=\"@slider.Title\" data-desc=\"@slider.Description\">\n" " </a>\n" " }\n" " else\n" " {\n" " <img src=\"@MediaService.GetContentRoute((int)slider.Id, \"SliderImage\").IfNotNull(x => StaticContent(x.Url))\" alt=\"@slider.Title\" data-desc=\"@slider.Description\">\n" " }\n" " </li>\n" " }\n" " </ul>\n" " </div>\n" " </div>\n" " </div>\n" "</section>\n" "<!-- =HomeSlider -->\n\n" "<!-- =HomeWidgets -->\n" "<section class=\"home-widgets-section\">\n" " <div class=\"container\">\n" " <div class=\"inner clearfix\">\n" " <div class=\"home-widget home-widget-1\">\n" " <h2 class=\"heading\">@T(\"Haberler &amp; Duyurular\")</h2>\n" " <div class=\"widget-content\">\n" " <div class=\"news-slider-wrapper\">\n" " <div class=\"news-slider flexslider\" data-prev=\".news-slider-wrapper .prev\" data-next=\".news-slider-wrapper .next\">\n" " <ul class=\"slides\">\n\n" " @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))\n" " {\n" " <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>\n" " }\n" " </ul>\n" " </div>\n" " <a class=\"prev arrow ir\" href=\"javascript:;\"><span>&laquo;</span></a>\n" " <a class=\"next arrow ir\" href=\"javascript:;\"><span>&raquo;</span></a>\n" " </div>\n" " <a class=\"read-more\" href=\"@GetPreDefinedPageUrl(\"Index\", \"Announcement\")\">@T(\"Tüm Haberler\")</a>\n" " </div>\n" " </div>\n" " <div class=\"home-widget home-widget-2\">\n" " <h2 class=\"heading\">@T(\"Size En Yakın Bayi Nerede ?\")</h2>\n" " <div class=\"widget-content\">\n" " <form class=\"nearest-dealer-search-form\">\n" " <div class=\"input-wrapper js-select-wrapper\">\n" " @*@Html.DropDownListFor(x => x.City, Model.Cities, \"Lütfen il seçiniz...\", new { @class = \"style\" })*@\n" " @Html.DropDownList(\"City\", T(\"Lütfen il seçiniz...\").ToString())\n" " </div>\n" " <div class=\"input-wrapper js-select-wrapper\">\n" " @*@Html.DropDownListFor(x => x.County, Model.Counties, \"Önce il seçiniz...\", new { @class = \"style\" })*@\n" " @Html.DropDownList(\"County\", T(\"Önce il seçiniz...\").ToString())\n" " </div>\n" " <div class=\"submit-wrapper\">\n" " <a href=\"javascript:;\" class=\"theme-button\">\n" " <span>@T(\"ARA\")</span>\n" " </a>\n" " </div>\n" " </form>\n" " </div>\n" " </div>\n" " <div class=\"home-widget home-widget-3\">\n" " <h2 class=\"heading\">@T(\"Pencere Mühendislik Hesaplamaları\")</h2>\n" " <div class=\"widget-content\">\n" " <p>@T(\"Pencere uygulamasında ihtiyaç duyduğunuz pencere mühendislik hesaplamalarını yapabilirsiniz.\")</p>\n" " <a class=\"read-more\" href=\"@GetPreDefinedPageUrl(\"WindowCalculations\", \"Calculations\")\">@T(\"Detaylı Bilgi\")</a>\n" " </div>\n" " </div>\n" " </div>\n" " </div>\n" "</section>\n" "<!-- =HomeWidgets -->\n\n" "<!-- =FeaturedLinks -->\n" "<div class=\"featured-links-section\">\n" " <div class=\"container\">\n" " <div class=\"inner clearfix\">\n" " <div class=\"featured-links\">\n" " <a href=\"@ContentRouteManager.GetContentRouteUrl(\"9ce86817-8a24-44b9-a32a-4dff918ada50\")\" class=\"featured-link featured-link-1\">\n" " <span class=\"icon\">\n" " <i class=\"theme-icon-drill\"></i>\n" " <span></span>\n" " </span>\n" " <strong class=\"title\">\n" " @T(\"<span>Pencere</span> <span>Montaj Uygulaması</span>\")\n" " </strong>\n" " </a>\n" " <a href=\"@ContentRouteManager.GetContentRouteUrl(\"95bd8a0d-d53b-42cb-9372-411c28d2b378\")\" class=\"featured-link featured-link-2\">\n" " <span class=\"icon\">\n" " <i class=\"theme-icon-home\"></i>\n" " <span></span>\n" " </span>\n" " <strong class=\"title\">\n" " @T(\"<span>Size Özel</span> <span>Pencereler</span>\")\n" " </strong>\n" " </a>\n" " <a href=\"@ContentRouteManager.GetContentRouteUrl(\"d0a6cecf-82c6-4705-91b4-8902073ab627\")\" class=\"featured-link featured-link-3\">\n" " <span class=\"icon\">\n" " <i class=\"theme-icon-window\"></i>\n" " <span></span>\n" " </span>\n" " <strong class=\"title\">\n" " @T(\"<span>Pencere</span> <span>Animasyonları</span>\")\n" " </strong>\n" " </a>\n" " <a href=\"@ContentRouteManager.GetContentRouteUrl(\"da4e73a9-d845-433e-bc04-8844557cdbb9\")\" class=\"featured-link featured-link-4\">\n" " <span class=\"icon\">\n" " <i class=\"theme-icon-check\"></i>\n" " <span></span>\n" " </span>\n" " <strong class=\"title\">\n" " @T(\"<span>FUDEL Akredite</span> <span>Pencere Laboratuarı</span>\")\n" " </strong>\n" " </a>\n" " </div>\n" " </div>\n" " </div>\n" "</div>\n" "<!-- =FeaturedLinks -->\n\n" "@section Head{\n" " @Styles.Render(\"~/assets/css/plugins/jquery.flexslider.min.css\")\n" " @Styles.Render(\"~/assets/css/plugins/jquery.mcustomscrollbar.css\")\n" "}\n\n" "@section Plugins{\n" " @Scripts.Render(\"~/assets/js/plugins/jquery.flexslider.min.js\")\n" " @Scripts.Render(\"~/assets/js/plugins/jquery.mcustomscrollbar.js\")\n" "}") matches = regex.finditer(test_str) for match_num, match in enumerate(matches, start=1): print(f"Match {match_num} was found at {match.start()}-{match.end()}: {match.group()}") for group_num, group in enumerate(match.groups(), start=1): print(f"Group {group_num} found at {match.start(group_num)}-{match.end(group_num)}: {group}")

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 Python, please visit: https://docs.python.org/3/library/re.html