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POMS-SQL 2008 Whole Word Matches
 

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    <p>I've spent a few hours researching this and am pretty stumped, probably due to my in-often use of RegEx expressions.</p> <p>I am looking to match a whole word in either a VARCHAR or TEXT type column in Microsoft SQL 2008.</p> <p>I have a CLR Assembly <a href="https://www.simple-talk.com/sql/t-sql-programming/clr-assembly-regex-functions-for-sql-server-by-example/" rel="nofollow">RegEx Function installed</a>.</p> <p>I need it to match gun in these sample cases:</p> <ul> <li><strong>Gun</strong> Loaded</li> <li>Loaded <strong>Gun</strong></li> <li>My <strong>Gun</strong> Is Loaded</li> </ul> <p>and NOT in these cases:</p> <ul> <li>Guns are great</li> <li>I have my guns</li> <li>My guns are great</li> </ul> <p>I would rather not go down the full text search route.</p> <p>Here's some things that I've tried but have failed:</p> <pre><code>WHERE PATINDEX( '%[^a-zA-Z_]' + @keyword + '[^a-zA-Z_]%', name) &gt; 0 </code></pre> <p>... doesn't take into account the word at the beginning of the string</p> <pre><code>WHERE name LIKE '%\b' + @keyword + '\b%' </code></pre> <p>... doesn't return anything</p> <pre><code>WHERE name LIKE '%[^A-Za-z]' + @keyword + '[^A-Za-z]%' </code></pre> <p>... doesn't take into account the word at the beginning of the string</p> <p>... along with some others I didn't save</p> <p>I can't seem to rely upon regular expression testers such as <a href="http://gskinner.com/RegExr/" rel="nofollow">http://gskinner.com/RegExr/</a> to get me through this. Any help appreciated.</p>
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    1. USHarrison Brock
    1. USChris Tierney
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    1. COAre you actually using your CLR regex function? the examples you have don't look like it.
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      1. USTim Medora
    2. COI'm grabbing this second hand. I thought the existing code didn't look like it matched the docs. I'll see if I can't understand those docs. Thanks.
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      1. USChris Tierney
    3. COYou're not using any CLR function... just the native `LIKE` and `PatIndex` functionality.
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      1. USErikE
 

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