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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Regex Challenge - Week Fifteen</title>
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</head>
<body>
<header>
<h1>Regex Tuesday Challenge - Week Fifteen</h1>
<nav>
<a href="./">« View all Challenges</a>
</nav>
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<p>This challenge, also suggested by <a href="http://www.reddit.com/user/a-t-k">/u/a-t-k</a> (as was last weeks), is to match musical chord names such as Cmin, Bmaj. You should match both the long and short forms, and you can find an explanation of the different chords <a href="http://en.wikipedia.org/wiki/Chord_names_and_symbols_(popular_music)">here</a> (the examples section is probably the quickest to understand). For this challenge, we will assume that E♯, B♯, F♭ and C♭ don't exist. We will also only be matching sixth and seventh chords.</p>
<p>Note that the sharp sign: <code>♯</code> is not a hash sign: <code>#</code>.</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>/89) <a id='permalink' class='button' href='./challenge15.html'>Permalink</a> <label id="hide_passing"><input type="checkbox"> Hide passing tests</label></h3>
<dl id='tests'>
<dt>C</dt><dd>match</dd>
<dt>E</dt><dd>match</dd>
<dt>G</dt><dd>match</dd>
<dt>A</dt><dd>match</dd>
<dt>B♭</dt><dd>match</dd><br>
<dt>F♯</dt><dd>match</dd><br>
<dt>D</dt><dd>match</dd>
<dt>Cmaj</dt><dd>match</dd>
<dt>E♭M</dt><dd>match</dd><br>
<dt>Dmin</dt><dd>match</dd>
<dt>Fmin</dt><dd>match</dd>
<dt>Em</dt><dd>match</dd>
<dt>E♭m</dt><dd>match</dd><br>
<dt>E+</dt><dd>match</dd>
<dt>G+</dt><dd>match</dd>
<dt>B♭+</dt><dd>match</dd><br>
<dt>Aaug</dt><dd>match</dd>
<dt>B♭aug</dt><dd>match</dd><br>
<dt>C°</dt><dd>match</dd>
<dt>B♭°</dt><dd>match</dd><br>
<dt>Edim</dt><dd>match</dd>
<dt>Fdim</dt><dd>match</dd>
<dt>C6</dt><dd>match</dd>
<dt>Cmaj6</dt><dd>match</dd>
<dt>Dmin6</dt><dd>match</dd>
<dt>D7</dt><dd>match</dd>
<dt>Ddom7</dt><dd>match</dd>
<dt>Fmaj7</dt><dd>match</dd>
<dt>Gmin7</dt><dd>match</dd>
<dt>C♯6</dt><dd>match</dd><br>
<dt>FM6</dt><dd>match</dd>
<dt>Gm7</dt><dd>match</dd>
<dt>C♯m6</dt><dd>match</dd><br>
<dt>Dm6</dt><dd>match</dd>
<dt>F+7</dt><dd>match</dd>
<dt>B+7</dt><dd>match</dd>
<dt>E♭+7</dt><dd>match</dd><br>
<dt>Eaug7</dt><dd>match</dd>
<dt>Aaug7</dt><dd>match</dd>
<dt>G♭aug7</dt><dd>match</dd><br>
<dt>Cø</dt><dd>match</dd>
<dt>Dø</dt><dd>match</dd>
<dt>G♭ø</dt><dd>match</dd><br>
<dt>Eø7</dt><dd>match</dd>
<dt>Fø7</dt><dd>match</dd>
<dt>F♯ø7</dt><dd>match</dd><br>
<dt>Z</dt><dd>no match</dd>
<dt>H</dt><dd>no match</dd>
<dt>I</dt><dd>no match</dd>
<dt>F♭</dt><dd>no match</dd><br>
<dt>C♭</dt><dd>no match</dd><br>
<dt>E♯</dt><dd>no match</dd><br>
<dt>B♯</dt><dd>no match</dd><br>
<dt>Imaj</dt><dd>no match</dd>
<dt>ZM</dt><dd>no match</dd>
<dt>E♯M</dt><dd>no match</dd><br>
<dt>F♭maj</dt><dd>no match</dd><br>
<dt>Jmin</dt><dd>no match</dd>
<dt>E♯m</dt><dd>no match</dd><br>
<dt>F♭aug</dt><dd>no match</dd><br>
<dt>J+</dt><dd>no match</dd>
<dt>E♯+</dt><dd>no match</dd><br>
<dt>E♯dim</dt><dd>no match</dd><br>
<dt>C♭°</dt><dd>no match</dd><br>
<dt>B♯6</dt><dd>no match</dd><br>
<dt>H6</dt><dd>no match</dd>
<dt>Z7</dt><dd>no match</dd>
<dt>C5</dt><dd>no match</dd>
<dt>A3</dt><dd>no match</dd>
<dt>Ddom8</dt><dd>no match</dd>
<dt>F9</dt><dd>no match</dd>
<dt>B2</dt><dd>no match</dd>
<dt>Bm♯6</dt><dd>no match</dd><br>
<dt>HM6</dt><dd>no match</dd>
<dt>Zm7</dt><dd>no match</dd>
<dt>CMaj5</dt><dd>no match</dd>
<dt>Am3</dt><dd>no match</dd>
<dt>DM8</dt><dd>no match</dd>
<dt>Fmin9</dt><dd>no match</dd>
<dt>BM2</dt><dd>no match</dd>
<dt>J+7</dt><dd>no match</dd>
<dt>E♯+7</dt><dd>no match</dd><br>
<dt>Jaug7</dt><dd>no match</dd>
<dt>E♯aug7</dt><dd>no match</dd><br>
<dt>Cdom6</dt><dd>no match</dd>
<dt>Ddom6</dt><dd>no match</dd>
<dt>F♭ø</dt><dd>no match</dd><br>
<dt>Fø6</dt><dd>no match</dd>
<dt>Fø8</dt><dd>no match</dd>
</dl>
<div id="congratulations">Congratulations, your regex passes all the test cases! Remember to share this challenge.</div>
</section>
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