Change to emit_term(): when a term has the /regexp relation modifier, do not process it for leading and trailing "^" and "*", which have quite different meanings in regular expressions.
Change to emit_term(): when a term has the /regexp relation modifier,
do not process it for leading and trailing "^" and "*", which have
quite different meanings in regular expressions.

nla/yaz,nla/yaz,dcrossleyau/yaz,nla/yaz,dcrossleyau/yaz,dcrossleyau/yaz,nla/yaz