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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Regex Challenge - Week Thirteen</title>
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<h1>Regex Tuesday Challenge - Week Thirteen</h1>
<nav>
<a href="./">« View all Challenges</a>
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<p>Regex Tuesday Challenge #13 is to match strings which have a word repeated directly below the same word on the previous line (see the test cases if that isn't clear). The font is mono-spaced today, so the lines are all the same width. Be aware that the line wraps by itself if the last word is too long.</p>
<p>To test a regular expression on the test cases below, type it into the text input. Each test case will be marked as passed or failed respectively - you are aiming to get as many test cases as you can to pass. Note that JavaScript must be enabled for this feature to work. The regex engine used is the JavaScript regex engine; it is similar to PCRE, but with a few differences.</p>
<p class='single-input'>
<textarea id="find" placeholder="/regexp? here/i"></textarea>
</p>
<h3>Test cases (<span id='passed-count'>0</span>/8) <a id='permalink' class='button' href='./challenge13.html'>Permalink</a> <label id="hide_passing"><input type="checkbox"> Hide passing tests</label></h3>
<dl id='tests'>
<dt>This sentence is pretty long and this sentence is also a test</dt><dd>match</dd>
<br>
<dt>This sentence is also long and this sentence is a test</dt><dd>match</dd>
<br>
<dt>This sentence shouldn't match</dt><dd>no match</dd>
<dt>This sentence also shouldn't match as this has no words below.</dt><dd>no match</dd>
<br><br>
<dt>Hello world, this exclamation of surprise has this by surprise</dt><dd>match</dd>
<br>
<dt>Hello world, this exclamation of surprise is this by surprise</dt><dd>no match</dd>
<br>
<dt>While there are no repeated words on the first line, these words repeat again on this line.</dt><dd>match</dd>
<br><br>
<dt>"No!", shouted the boy, crying. "No!"</dt><dd>match</dd>
</dl>
<div id="congratulations">Congratulations, your regex passes all the test cases! Remember to share this challenge.</div>
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Public domain. Site by <a href="http://macr.ae/">Callum Macrae</a>
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