You can focus it to the first column with something like this inside the <panel> <html depends="$alwaysHideCSS$">
<style>
/* Right align only the first column of the table */
#table1 .table th:nth-child(1),
#table1 .table td:nth-child(1) {
text-align: right!important;
}
</style>
</html>
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You probably need to use external scripting such as python to solve your algo processing needs as it falls outside simple text pattern matching. By design Splunk itself is more designed for data retrieval, aggregation and general text operations which I would consider the typical use case of Splunk.
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