Added QueryParser validations for wildcard, fuzzy, prefix, regex searches.
Added QueryParser validations for wildcard, fuzzy, prefix, regex searches.

cris-almodovar/expando-db,cris-almodovar/postit-db,cris-almodovar/expando-db,cris-almodovar/expando-db,cris-almodovar/postit-db,cris-almodovar/postit-db