Appsense–First letter of username

I had to extract a the first letter of a username using Appsense Policy Configuration within Environment Manager. I would have hoped there was a trim functionality natively available, however none were found in the version that was dealt with.

Therefore a bit of optimized search had to be performed. As far as I can see this is faster than executing a script, but perhaps a bit more work to setup initially.

imageCreated 5 top Username matches with these regular expressions;

.*\\[a-eA-E]\w*
.*\\[f-jF-J]\w*
.*\\[k-oK-O]\w*
.*\\[p-uP-U]\w*
.*\\[v-zV-Z]\w*

Below each one I then parsed through the letters that the regular expression matched (A-E for example) and once a match was hit – set the environment variable FIRSTLETTER to the matching letter.

Search was for the letter A as a sample; *\a*
For each specific letter I used a query and not a regular expression.

I created an Appsense template for EM that you can download, which contains a reusable node!

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