If you want to extract the lines containing (at least) one of several words using grep the following command line will be your friend:
grep "word1\|word2" inputfile
Tägliche Archive: 3. Februar 2008
1 Beitrag
If you want to extract the lines containing (at least) one of several words using grep the following command line will be your friend:
grep "word1\|word2" inputfile