Regular Expressions 101

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// 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"(?s)(<pre>.+?<\/pre>)").unwrap();
  let string = " <!DOCTYPE HTML>
<html lang=\"en-US\">
<head>

    <meta charset=\"UTF-8\">
    <title>'HPTjNRgUfG' | TextUploader.com</title>
    <meta name=\"viewport\" content=\"initial-scale=1.0,maximum-scale=1.0,user-scalable=no\">
        <link rel=\"icon\" type=\"image/ico\" href=\"http://textuploader.com/favicon.ico\">

    <meta property=\"og:title\" content=\"HPTjNRgUfG\" xmlns=\"http://www.w3.org/1999/html\"/>
    <meta property=\"og:type\" content=\"article\"/>
    <meta property=\"og:url\" content=\"http://textuploader.com/5jx4u\"/>
    <meta property=\"og:site_name\" content=\"textuploader.com - HPTjNRgUfG\"/>
    <meta property=\"og:description\" content=\"Please call back later &lt;a href=&quot; http://philadelphiaexplorers.org/about-the-explorers-club/#annual &quot;&gt;a...\"/>
    <link rel=\"canonical\" href=\"http://textuploader.com/5jx4u\"/>
                <!-- bootstrap framework css -->
    <link media=\"all\" type=\"text/css\" rel=\"stylesheet\" href=\"//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.3.0/css/bootstrap.min.css\">
    <link media=\"all\" type=\"text/css\" rel=\"stylesheet\" href=\"//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.3.0/css/bootstrap-responsive.min.css\">
    <!-- power tooltips -->
    <link media=\"all\" type=\"text/css\" rel=\"stylesheet\" href=\"//cdnjs.cloudflare.com/ajax/libs/jquery-powertip/1.1.0/jquery.powertip.css\">

    <!-- main stylesheet -->
    <link media=\"all\" type=\"text/css\" rel=\"stylesheet\" href=\"http://textuploader.com/assets/css/beoro.css\">
    <link media=\"all\" type=\"text/css\" rel=\"stylesheet\" href=\"http://textuploader.com/assets/css/tu_custom.css\">

    <!--[if lte IE 8]><link media=\"all\" type=\"text/css\" rel=\"stylesheet\" href=\"http://textuploader.com/assets/css/ie8.css\">
<![endif]-->
    <!--[if IE 9]><link media=\"all\" type=\"text/css\" rel=\"stylesheet\" href=\"http://textuploader.com/assets/css/ie9.css\">
<![endif]-->

    <!--[if lt IE 9]>
    <script src=\"//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.6.2pre/html5shiv.js\"></script>
    <script src=\"//cdnjs.cloudflare.com/ajax/libs/respond.js/1.1.0/respond.min.js\"></script>
    <script src=\"//cdnjs.cloudflare.com/ajax/libs/flot/0.7/excanvas.min.js\"></script>
    <![endif]-->

    <script type=\"text/javascript\">
        var _gaq = _gaq || [];
        _gaq.push(['_setAccount', 'UA-36314765-1']);
        _gaq.push(['_setDomainName', 'textuploader.com']);
        _gaq.push(['_setAllowLinker', true]);
        _gaq.push(['_trackPageview']);
        (function() {
            var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
            ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
            var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
        })();
    </script>



            <link media=\"all\" type=\"text/css\" rel=\"stylesheet\" href=\"//cdnjs.cloudflare.com/ajax/libs/highlight.js/7.3/styles/default.min.css\">
        <script src=\"//cdnjs.cloudflare.com/ajax/libs/highlight.js/7.3/highlight.min.js\"></script>
        <script>hljs.initHighlightingOnLoad();</script>

</head>

<body class=\"bg_c\">

<div id=\"fb-root\"></div>
<script>(function (d, s, id) {
        var js, fjs = d.getElementsByTagName(s)[0];
        if (d.getElementById(id)) return;
        js = d.createElement(s);
        js.id = id;
        js.src = \"//connect.facebook.net/en_US/all.js#xfbml=1&appId=456470037742170\";
        fjs.parentNode.insertBefore(js, fjs);
    }(document, 'script', 'facebook-jssdk'));</script>
<!-- main wrapper (without footer) -->
<div class=\"main-wrapper\">
    <!-- top bar -->

    <div class=\"navbar navbar-fixed-top\">
        <div class=\"navbar-inner\">
            <div class=\"container\">
                <div class=\"pull-right top-search\">
                                    </div>


                <div id=\"fade-menu\" class=\"pull-left\">
                    <ul class=\"clearfix\" id=\"mobile-nav\">
                                                <li><a href=\"http://textuploader.com/\">Home</a></li>
                        <li><a href=\"http://textuploader.com/discover\">Discover</a></li>
                        <li><a href=\"http://textuploader.com/help\">Help</a></li>
                        <li><a href=\"http://textuploader.com/developers\">Developers</a></li>
                        <li><a href=\"http://textuploader.com/contact\">Contact</a></li>

                        <li><a href='https://textuploader.com/profile'>My Account</a>
                                                    </li>



                    </ul>
                </div>

            </div>
        </div>
    </div>

    <!-- header -->
    <header>
        <div class=\"container\">
            <div class=\"row\">
                <div class=\"span3\">
                    <!-- <div class=\"main-logo\"><a href=\"http://textuploader.com/\"><img src=\"http://textuploader.com/assets/img/textuploader_logo.png\" alt=\"TextUploader.com\"></div> -->
                    <div class=\"main-logo\"><a href='http://textuploader.com/'><img src=\"http://textuploader.com/assets/img/textuploader_logo.png\" alt=\"TextUploader.com\"></a></div>
                </div>
                <div class=\"span5\">
                    <nav class=\"nav-icons\">
                        <!-- small icons navigation -->
                    </nav>
                </div>
                <div class=\"span4\">
                                        <div class=\"user-box\">
                        <div class=\"user-box-inner\">
                            <img src=\"//www.gravatar.com/avatar/d41d8cd98f00b204e9800998ecf8427e?s=80&r=g&d=mm\" class=\"user-avatar img-avatar\" alt=\"Gravatar\"/>

                            <div class=\"user-info\">
                                <a href=\"https://textuploader.com/register\">Create an Account</a>                                <ul class=\"unstyled\">
                                    <li><a href=\"https://textuploader.com/auth/login\">Login</a></li>
                                    <li>&middot;</li>
                                    <li><a href=\"https://textuploader.com/auth/password/forgot\">Password</a></li>
                                </ul>
                            </div>
                        </div>
                    </div>
                                    </div>
            </div>
        </div>
    </header>

        <!-- breadcrumbs -->
    <div class=\"container\">
                <ul id=\"breadcrumbs\">
            <li>
                <a href=\"http://textuploader.com/\">
                    <i class=\"icon-home\"></i>
                </a></li>

                                                <li><a href=\"http://textuploader.com/\">Home</a></li>
                                                                <li><a href=\"http://textuploader.com/5jx4u\">textuploader.com/5jx4u</a></li>

            <li><span>Posted on: 11/16/15 1:59:00 AM UTC</span></li>
        </ul>
    </div>


    <!-- main content -->
    <div class=\"container\">
        <div class=\"row-fluid\">
            <div class=\"span12\">
                <div class=\"w-box w-box-blue\">
                    <div class=\"w-box-header\"><h4>\"HPTjNRgUfG\" - Views: 2 &middot; Hits: 2 - Type: Public</h4></div>
                    <div class=\"w-box-content cnt_a \">


<div class=\"toolbar clearfix\">
    <div class=\"pull-left\">
        <div class=\"toolbar-icons clearfix\">
            <div style=\"overflow:hidden;width:90px;float:left;\">
    <div class=\"fb-like\" data-href=\"http://textuploader.com/5jx4u\" data-send=\"false\" data-layout=\"button_count\"
         data-width=\"450\" data-show-faces=\"false\"></div>
</div>
<div style=\"overflow:hidden;width:90px;float:left;\">
    <a href=\"https://twitter.com/share\" class=\"twitter-share-button\" data-url=\"http://textuploader.com/5jx4u\">Tweet</a>
</div>
<div style=\"overflow:hidden;width:90px;float:left;\">
    <div class=\"g-plusone\" data-size=\"medium\" data-annotation=\"none\"
         data-href=\"http://textuploader.com/5jx4u\"></div>
</div>
<div style=\"clear:both\"></div>


        </div>
    </div>
    <div class=\"pull-right\">
        <div class=\"btn-group\">
            <button class=\"btn btn-mini\" onClick=\"parent.location='http://textuploader.com/5jx4u/rev'; void(0);\">Revisions (0)</button>
                                    <button class=\"btn btn-mini\" onClick=\"parent.location='http://textuploader.com/contact'; void(0);\">Report Abuse</button>
                    </div>
    </div>
</div>
<pre><code class='no-highlight'>Please call back later &lt;a href=&quot; http://philadelphiaexplorers.org/about-the-explorers-club/#annual &quot;&gt;accidently took 2 40 mg paxil&lt;/a&gt;  &quot;We need that flexibility,&quot; Fox said. &quot;When you pick your offensive line, not just for the season, but for game day, you have to pick them from the standpoint of having some flexibility. You&#039;ve got to have a swing guard/center, you&#039;ve got to have a swing tackle/guard, for the games.&quot;
 </code></pre>


                    </div>
                </div>
            </div>

        </div>


    </div>

    <div class=\"footer_space\"></div>
</div>
<!-- footer -->
<footer>
    <div class=\"container\">
        <div class=\"row\">
            <div class=\"span8\">
                <div>&copy; 2016 <a href=\"http://www.exsom.com\" target=\"_blank\">Exsom Group, LLC</a>. All Rights Reserved.</div>
            </div>
            <div class=\"span4\">
                <ul class=\"unstyled\">
<!--                    
<li><a href=\"https://tuarmor.com\">TUArmor</a></li>
                    <li>&middot;</li>
-->
                    <li><a href=\"http://textuploader.com/terms-of-service\">Terms of Service</a></li>
                    <li>&middot;</li>
                    <li><a href=\"http://textuploader.com/privacy\">Privacy Policy</a></li>
                    <li>&middot;</li>
                    <li><a href=\"http://textuploader.com/dmca\">DMCA</a></li>
            <li>&middot;</li>
                    <li><a href=\"http://status.textuploader.com/\">System Status</a></li>
                </ul>
            </div>
        </div>
    </div>
</footer>
<!-- Common JS -->
<!-- jQuery framework -->
<script src=\"//cdnjs.cloudflare.com/ajax/libs/jquery/1.9.1/jquery.min.js\"></script>
<!-- bootstrap Framework plugins -->
<script src=\"//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.3.0//js/bootstrap.min.js\"></script>
<!-- top menu -->
<script src=\"http://textuploader.com/assets/js/jquery.fademenu.js\"></script>
<!-- top mobile menu -->
<script src=\"http://textuploader.com/assets/js/selectnav.min.js\"></script>
<!-- actual width/height of hidden DOM elements -->
<script src=\"http://textuploader.com/assets/js/jquery.actual.min.js\"></script>
<!-- jquery easing animations -->
<script src=\"//cdnjs.cloudflare.com/ajax/libs/jquery-easing/1.3/jquery.easing.min.js\"></script>
<!-- power tooltips -->
<script src=\"//cdnjs.cloudflare.com/ajax/libs/jquery-powertip/1.1.0/jquery.powertip-1.1.0.min.js\"></script>
<!-- date library -->
<script src=\"//cdnjs.cloudflare.com/ajax/libs/moment.js/1.7.2/moment.min.js\"></script>
<!-- common functions -->
<script src=\"http://textuploader.com/assets/js/beoro_common.js\"></script>

<!-- twitter button code -->
<script>!function (d, s, id) {
        var js, fjs = d.getElementsByTagName(s)[0], p = /^http:/.test(d.location) ? 'http' : 'https';
        if (!d.getElementById(id)) {
            js = d.createElement(s);
            js.id = id;
            js.src = p + '://platform.twitter.com/widgets.js';
            fjs.parentNode.insertBefore(js, fjs);
        }
    }(document, 'script', 'twitter-wjs');</script>

<!-- +1 code -->
<script type=\"text/javascript\">
    (function () {
        var po = document.createElement('script');
        po.type = 'text/javascript';
        po.async = true;
        po.src = '//apis.google.com/js/plusone.js';
        var s = document.getElementsByTagName('script')[0];
        s.parentNode.insertBefore(po, s);
    })();
</script>
</body>
</html>";
  
  // result will be a tuple containing the start and end indices for the first match in the string
  let result = regex.captures(string);
  
  let (start, end) = match result {
    Some((s, e)) => (s, e),
    None => {
        // ...
    }
  };
  
  
  println!("{}", &string[start, end]);
}
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/
Regular Expressions 101

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