Need to grab on daily basis facebook post from a FB pages list with a word filter

I need a program that could fetch on a daily basis (manually or predefine) from a predefine list of facebook page any post starting with a relevant word Filter1 , filter2 , filter3 for example, any post starting with this word should be integrate in a excel file I dont need any design , I don't need the pôst itself, I need the adress of the relevant post with the relevant keyword in an excel file