Manual:$wgFilterCallback

Details
Similar to , you can get a function to do the job. The function will be given the following args:


 * 1) a Title object for the article the edit is made on


 * 1) the text submitted in the textarea (wpTextbox1)


 * 1) the section number.

The return should be boolean indicating whether the edit matched some evilness:

block it let it through
 * true:
 * false: