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    <p>As Josh mentioned, the <code>+</code> qualifier shouldn't be used with <code>{m,n}</code>. <code>+</code> matches one or more of the re while <code>{m,n}</code> matches m to n repetitions greedily. (See: <a href="http://docs.python.org/2/library/re.html#regular-expression-syntax" rel="nofollow">re syntax</a>).</p> <p>He also made a good point to use <a href="http://docs.python.org/2/library/re.html#re.VERBOSE" rel="nofollow">re.VERBOSE</a> to with help readability for your regex.</p> <p>EDIT: (thanks @eyguem for pointing this out) I may be wrong but your <code>[ |.]</code> is an attempt to match a space and a period? If so, you don't need the <code>|</code> <strike>and it may be good habit to escape re special characters such as the <code>.</code>. (i.e. <code>[ \.]</code>).</strike></p> <p>If you know the string between season/episode and quality are alphabets, spaces, or periods you can use something like this (EDIT: if there are non-alphabet characters like '-', '+', etc., you'll need to add them into the character set):</p> <pre><code> tv = re.findall(r"""(.*) # Title [ .] S(\d{1,2}) # Season E(\d{1,2}) # Episode [ .a-zA-Z]* # Space, period, or words like PROPER/Buried (\d{3,4}p)? # Quality """, name, re.VERBOSE) </code></pre> <p>Likewise, you can do this for the movie part:</p> <pre><code>movie = re.findall(r"""(.*?[ .]\d{4}) # Title including year [ .a-zA-Z]* # Space, period, or words (\d{3,4}p)? # Quality """, name, re.VERBOSE) </code></pre> <p>This is the output:</p> <pre><code>---------- TV ---------- Show: The Newsroom 2012 Season: 2 Episode: 6 Quality: 720p ---------- TV ---------- Show: Breaking Bad Season: 5 Episode: 10 Quality: nonHD ---------- TV ---------- Show: Breaking Bad Season: 5 Episode: 10 Quality: 720p ---------- TV ---------- Show: Dexter Season: 8 Episode: 8 Quality: nonHD ---------- TV ---------- Show: Dexter Season: 8 Episode: 7 Quality: 1080p ---------- TV ---------- Show: Dexter Season: 8 Episode: 7 Quality: 720p --------- MOVIE -------- Title: The Great Gatsby 2013 Quality: 1080p --------- MOVIE -------- Title: The Forbidden Girl 2013 Quality: nonHD --------- MOVIE -------- Title: Pain &amp; Gain 2013 Quality: 720p ---------- TV ---------- Show: Band of Brothers Season: 1 Episode: 2 Quality: nonHD ---------- TV ---------- Show: Dexter Season: 8 Episode: 6 Quality: 720p ---------- TV ---------- Show: Dexter Season: 8 Episode: 6 Quality: 720p </code></pre>
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    1. COHello. Escaping the dot between brackets isn't necessary: the special characters loose their speciality when put between brackets meaning a set of characters for one position. So ``[.G]`` means "a dot or the letter G", not "any character or G"
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    2. CODidn't realize this, thanks for pointing it out.
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    3. COFor ``"Breaking.Bad.S05E10.Hard-Buried.720p.HDTV.x264-AFG.mkv"`` (with **-** character that isn't in ``[ .a-zA-Z]`` , the result will erroneously be **nonHD**. Maybe such a case or other similar one will never happen...
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