--- a/regexParser/cerium/ppe/Exec.cc	Sun Jan 31 18:28:58 2016 +0900
+++ b/regexParser/cerium/ppe/Exec.cc	Sun Jan 31 19:53:58 2016 +0900
@@ -30,15 +30,17 @@
     tsv = tSearch(tsv);
     tsv.blockEnd = tsv.current;
     if (tsv.blockEnd->state->bitState.bitContainer != 1) {
-        // partial match case at block end.
-        ResultPtr r = NEW(Result);
-        r->continued = true;
-        r->begin = tsv.buff.matchBegin;
-        r->end = tsv.buff.buffptr-1;
-        *tsv.resultEnd = r;
-        r->next = NULL;
-        tsv.resultEnd = &r->next;
+        if (tsv.buff.matchBegin != tsv.buff.buffptr) {
+            // partial match case at block end.
+            ResultPtr r = NEW(Result);
+            r->continued = true;
+            r->begin = tsv.buff.matchBegin;
+            r->end = tsv.buff.buffptr;
+            *tsv.resultEnd = r;
+            r->next = NULL;
+            tsv.resultEnd = &r->next;
 // printf("Exec %lx r->begin : %p r->end : %p\n",tsv.blockEnd->state->bitState.bitContainer, r->begin,r->end);
+        }
     }
     tsv.result = result;
     return tsv;