Is it possible to trim the stored text in variable using kantu?

[ulrich]

You can use Javascript to trim strings.

storeEval | a = storedVars['q']; a = a.replace(/( |\n|\r)/gm, ""); a | trimmedQ

You find this line in the DemoPDFTest_with_OCR macro.

Related: See here for extracting substrings:

Using an If to check that a string contains a certain substring