Add missing regression

diff --git a/test/regress/regress0/strings/idof-triv.smt2 b/test/regress/regress0/strings/idof-triv.smt2
new file mode 100755 (executable)
index 0000000..314aded
--- /dev/null
+++ b/test/regress/regress0/strings/idof-triv.smt2
@@ -0,0 +1,7 @@
+(set-logic ALL_SUPPORTED)
+(set-info :status sat)
+(set-option :strings-exp true)
+(declare-fun string () String)
+;(assert (= string "::")) 
+(assert (> (str.indexof string ":" 0) 0))
+(check-sat)