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POpreg_match within braces with optional existence additional content within braces sometimes
 

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  1. POpreg_match within braces with optional existence additional content within braces sometimes
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    <p>i have data like so</p> <pre><code> $data = '&lt;a href="not important"&gt;&lt;span class="theclass"&gt;data (not important)&lt;/span&gt;&lt;/a&gt; &lt;span class="anotherclass"&gt;extra data (October 1, 2010)&lt;/span&gt;'; </code></pre> <p>i want to get the date within the braces so ive done the following preg_match</p> <pre><code>preg_match("/\((([a-zA-Z]{5,10} .*?)|(\d{4}))\)/i",$data,$res); </code></pre> <p>please not that sometimes 'October 1' is not present BUT THE YEAR IS ALWAYS PRESENT hence the OR condition.... the thing is it gives me array of 3 in this case, i know its because of the set of 3 braces i have for each condition , is there any other better and cleaner way to achieve this ?</p> <p>2nd condition method</p> <pre><code> $data = &lt;a href="not important"&gt;&lt;span class="theclass"&gt;data&lt;/span&gt;&lt;/a&gt; &lt;span class="theother"&gt;data &lt;a href="not importand"&gt;data&lt;/a&gt; (2009)&lt;/span&gt; &lt;/h3&gt; </code></pre> <p>Thanks guys</p>
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    1. CO**Don't use regular expressions to parse HTML. Use a proper HTML parsing module.** You cannot reliably parse HTML with regular expressions, and you will face sorrow and frustration down the road. As soon as the HTML changes from your expectations, your code will be broken. See http://htmlparsing.com/php for examples of how to properly parse HTML with PHP modules that have already been written, tested and debugged.
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      1. USAndy Lester
    2. COeven if i use say xpath dom i would still need a class ref by with it can get the data. thats pretty much the same thing ive done with preg_match , well before the below preg so i dont get why people are against it...it is that the others are more lightweight?
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