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copied!<p>This works for your examples, just don't know if it's faster than your solution.</p> <p>The code should be pretty self explanatory and easy to change</p> <pre><code>DECLARE @str1 VARCHAR(max) DECLARE @str2 VARCHAR(max) SELECT @str1 = 'Patel; Raj' SELECT @str2 = 'Patel' DECLARE @x1 XML DECLARE @x2 XML SELECT @x1 = CAST('<i>' + REPLACE(@str1, ',', '</i><i>') + '</i>' AS XML) SELECT @x2 = CAST('<i>' + REPLACE(@str2, ',', '</i><i>') + '</i>' AS XML) SELECT COUNT(*) FROM ( SELECT p.number as Position, LTRIM(RTRIM(x.value('.','VARCHAR(50)'))) AS Name FROM master..spt_values p cross APPLY @x1.nodes('/i[position()=sql:column("number")]') n(x) where p.type = 'p' ) Names1 INNER JOIN ( SELECT p.number as Position, LTRIM(RTRIM(x.value('.','VARCHAR(50)'))) AS Name FROM master..spt_values p cross APPLY @x2.nodes('/i[position()=sql:column("number")]') n(x) where p.type = 'p' ) Names2 ON Names1.Name = Names2.Name OR (LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),1))) = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),1))) AND LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),2))) = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),2))) ) OR (LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),2))) = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),2))) AND LEFT(LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),1))),1) = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),1))) ) OR (LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),2))) = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),2))) AND LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),1))) = LEFT(LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),1))),1) ) OR Names1.Name = LTRIM(RTRIM(PARSENAME(Replace(Names2.Name,';','.'),2))) OR Names2.Name = LTRIM(RTRIM(PARSENAME(Replace(Names1.Name,';','.'),2))) </code></pre>

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