diff --git a/contrib/10.regexp/CMakeLists.txt b/contrib/10.regexp/CMakeLists.txt
index b416888a..c13c76d3 100644
--- a/contrib/10.regexp/CMakeLists.txt
+++ b/contrib/10.regexp/CMakeLists.txt
@@ -13,4 +13,6 @@ if (REGEX_FOUND)
   list(APPEND PICRIN_CONTRIB_INITS regexp)
   list(APPEND PICRIN_CONTRIB_LIBRARIES ${REGEX_LIBRARIES})
   list(APPEND PICRIN_CONTRIB_SOURCES ${PICRIN_REGEX_SOURCES})
+  add_custom_target(test-regexp for test in ${PROJECT_SOURCE_DIR}/contrib/10.regexp/t/*.scm \; do bin/picrin "$$test" \; done DEPENDS repl)
+  set(CONTRIB_TESTS ${CONTRIB_TESTS} test-regexp)
 endif()
diff --git a/contrib/10.regexp/t/test.scm b/contrib/10.regexp/t/test.scm
new file mode 100644
index 00000000..1b2a5c21
--- /dev/null
+++ b/contrib/10.regexp/t/test.scm
@@ -0,0 +1,12 @@
+(import (scheme base)
+        (picrin test)
+        (picrin regexp))
+
+(test #t (regexp? (regexp "simple")))
+(test #f (regexp? "it\\s[s]e+ms\\s(reg)?exp"))
+ (test-values (values '("abcd" "b") '(5 6)) (regexp-match (regexp "a(b)cd") "abdacabcd"))
+(test '("a" "b" "c" "d") (regexp-split (regexp ",") "a,b,c,d"))
+(test '("a" "b" "c" "d") (regexp-split (regexp "\\.+") "a.b....c.....d"))
+(test "a b c d" (regexp-replace (regexp ",") " " "a,b,c,d"))
+(test "newline tab spase " (regexp-replace (regexp "\\s") " " "newline
+tab	space "))