diff --git a/src/api/api_seq.cpp b/src/api/api_seq.cpp
index 5704ffdb0..0fde6303a 100644
--- a/src/api/api_seq.cpp
+++ b/src/api/api_seq.cpp
@@ -145,7 +145,7 @@ extern "C" {
     MK_UNARY(Z3_mk_re_option, mk_c(c)->get_seq_fid(), OP_RE_OPTION, SKIP);
     MK_NARY(Z3_mk_re_union, mk_c(c)->get_seq_fid(), OP_RE_UNION, SKIP);
     MK_NARY(Z3_mk_re_concat, mk_c(c)->get_seq_fid(), OP_RE_CONCAT, SKIP);
-
+    MK_BINARY(Z3_mk_re_range, mk_c(c)->get_seq_fid(), OP_RE_RANGE, SKIP);
 
 
 };
diff --git a/src/api/c++/z3++.h b/src/api/c++/z3++.h
index 2a9c771a1..14702a4ea 100644
--- a/src/api/c++/z3++.h
+++ b/src/api/c++/z3++.h
@@ -934,6 +934,8 @@ namespace z3 {
             check_error();
             return expr(ctx(), r);
         }
+        friend expr range(expr const& lo, expr const& hi);
+       
 
 
 
@@ -1225,6 +1227,8 @@ namespace z3 {
 
     inline expr operator~(expr const & a) { Z3_ast r = Z3_mk_bvnot(a.ctx(), a); return expr(a.ctx(), r); }
 
+    inline expr range(expr const& lo, expr const& hi) { check_context(lo, hi); Z3_ast r = Z3_mk_re_range(lo.ctx(), lo, hi); lo.check_error(); return expr(lo.ctx(), r); }
+
 
 
 
diff --git a/src/api/z3_api.h b/src/api/z3_api.h
index c7749ebef..d8570b852 100644
--- a/src/api/z3_api.h
+++ b/src/api/z3_api.h
@@ -3367,6 +3367,14 @@ extern "C" {
      */
     Z3_ast Z3_API Z3_mk_re_concat(Z3_context c, unsigned n, Z3_ast const args[]);
 
+
+    /**
+       \brief Create the range regular expression over two sequences of length 1.
+
+       def_API('Z3_mk_re_range' ,AST ,(_in(CONTEXT), _in(AST), _in(AST)))
+     */
+    Z3_ast Z3_API Z3_mk_re_range(Z3_context c, Z3_ast lo, Z3_ast hi);
+
     /*@}*/