X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;f=lib%2Fregexp-fields.cc;h=1651677cd8638b759a9f96838237a98aa2ef5af2;hb=11fda0bf2fd74b227d15a2bb6b36a8ce6403c8e9;hp=9dcf973263743ea01721bf139569cafa17577943;hpb=38a56b98f9b282decc5edbe1da9717e3b2bdb6b2;p=notmuch

diff --git a/lib/regexp-fields.cc b/lib/regexp-fields.cc
index 9dcf9732..1651677c 100644
--- a/lib/regexp-fields.cc
+++ b/lib/regexp-fields.cc
@@ -148,6 +148,11 @@ RegexpFieldProcessor::RegexpFieldProcessor (std::string prefix, Xapian::QueryPar
 Xapian::Query
 RegexpFieldProcessor::operator() (const std::string & str)
 {
+    if (str.size () == 0)
+	return Xapian::Query(Xapian::Query::OP_AND_NOT,
+			     Xapian::Query::MatchAll,
+			     Xapian::Query (Xapian::Query::OP_WILDCARD, term_prefix));
+
     if (str.at (0) == '/') {
 	if (str.at (str.size () - 1) == '/'){
 	    RegexpPostingSource *postings = new RegexpPostingSource (slot, str.substr(1,str.size () - 2));