This is a simple local script that enhances the question bank with following search fields:
question name: text is searched within a title
question text: text is searched within a text
default mark: operators like < > = >= and <= can be used to filter questions with certain marks.
This block is for Moodle 2.2 and higher, it will not work for versions below 2011120500
1) Save the zip file somewhere onto your local computer and extract all the files
2) Transfer the folder qustion_filter to the local-directory of Moodle
3) Log in as 'administrator' and click on the 'Home' link