The Find in Document option under the Edit menu allows you to search for a particular motif in your sequences, annotations or document names. For example, you can search for a particular string of nucleotides in sequences or alignments, or search for annotations and sequences by name or number. The search can optionally be made case sensitive. Matching regions are selected in the document at the end of the search.
The shortcut for this function is Ctrl+F. To ﬁnd the next match for the text speciﬁed in the dialog you can use F3 or Ctrl+G, and to ﬁnd the previous match use Ctrl+Shift+G or Shift+F3.