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    copied!<p>Well, a regex that works on your example could look like this (line breaks introduced to keep this beast legible, need to be removed prior to use):</p> <pre><code>/^(?P&lt;pr_city&gt;[^,]+), (?P&lt;pr_date&gt;[^-]+) - (?P&lt;corp_name&gt;.*?), a (?P&lt;corp_city&gt;[^,]+), (?P&lt;corp_state&gt;[^,]+), establishment is recalling approximately (?P&lt;amount&gt;.*?) of (?P&lt;product&gt;.*?), which is not compliant with regulations that require (?P&lt;reason&gt;.*?), the U\.S\. Department of Agriculture\'s Food Safety and Inspection Service \(FSIS\) announced today\.$/ </code></pre> <p>So, in PHP you could do</p> <pre><code>if (preg_match('/^(?P&lt;pr_city&gt;[^,]+), (?P&lt;pr_date&gt;[^-]+) - (?P&lt;corp_name&gt;.*?), a (?P&lt;corp_city&gt;[^,]+), (?P&lt;corp_state&gt;[^,]+), establishment is recalling approximately (?P&lt;amount&gt;.*?) of (?P&lt;product&gt;.*?), which is not compliant with regulations that require (?P&lt;reason&gt;.*?), the U\.S\. Department of Agriculture\'s Food Safety and Inspection Service \(FSIS\) announced today\.$/', $subject, $regs)) { $prcity = $regs['pr_city']; $prdate = $regs['pr_date']; ... etc. } else { $result = ""; } </code></pre> <p>This assumes a couple of things, for instance that there are no line breaks, and that the input is the entire string (and not a larger string from which this part has to be extracted from). I've tried to make assumptions about legal values that make some sense, but there is the very real chance that other inputs could break this. So some more test cases are probably needed.</p>
 

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