1 files changed, 5 insertions, 1 deletions
diff --git a/tests.mk b/tests.mk
index 10e34c8..3f40808 100644
--- a/tests.mk
+++ b/tests.mk
@@ -2,7 +2,7 @@ ifneq ($(findstring 4.,$(MAKE_VERSION)),4.)
     $(error you need GNU make 4.x to run tests)
 endif
 
-NUMTESTS = 23
+NUMTESTS = 25
 tests := $(foreach num,$(shell seq -f%03g $(NUMTESTS)),test$(num))
 
 load pcre.so
@@ -74,6 +74,10 @@ test021 = "$(s aaa,x,dcbaaa)" = "dcbx"
 test022 = "$(s aaa,x,aaabbaaa,g)" = "xbbx"
 test023 = "$(s a,x,aaa,g)" = "xxx"
 
+# test expansion of substituted string
+test024 = "$(s a(.),$(1),aaabac,g)" = "abc"
+test025 = "$(s (?<var>.)a,$(var),aabaca,g)" = "abc"
+
 ### END OF TEST EXPRESSIONS ###
 
 test%: