dqMan has a globally available search functionality which can be used in most any place where text is presented to the user in some form (any type of code or script editor, object dump, tables/grids, logs/command output messages, text files opened for viewing inside dqMan, etc.)
Click Edit menu>Find (or press Ctrl+F) or Find next (or press F3).
Enter the desired search parameters in the Search for dialog box or select one from the list. Select whether the search items must be Case sensitive and whether you want to run search across Rows or Columns.
Click Search. To count all occurrences, click Count.