Lead Developer
You should match is exactly, so:
Search Results for: %s
Would become:
xxx: %s
If you’ve added the language files to the languages folder in generatepress, then your changes should apply if you have your language set in “Settings > General” at the bottom.
Also, I’ve submitted 1.2.9.6 to WP.org, when they approve it and push out the update, it will remove your language files from the generatepress/languages folder. Be sure to back up your files before you update, and re-add them once the update is completed.