best way to index numerical data ?

[benwbrewster at gmail.com]

here is a sample of a .txt file :
I want to search for the whole number. If possible, fuzzy search would
be nice too, but not mandatory..
1975|Y|35136|72|1927|||3|005503|003|19870301|19950301|14416887|151|20000301|100039292|N|84|F|50||10|A|100|Y|037|Y|89005|3042|M|S|P|

Thanks!
Jack