diff --git a/jdr/type.go b/jdr/type.go
index 8364d4e..5a92e88 100644
--- a/jdr/type.go
+++ b/jdr/type.go
@@ -7,15 +7,9 @@ import(
     "regexp"
 )
 
-var regexp_int      *regexp.Regexp
-var regexp_float    *regexp.Regexp
-var regexp_d        *regexp.Regexp
-
-func init() {
-    regexp_int   = regexp.MustCompile(`^[0-9]+$`)
-    regexp_float = regexp.MustCompile(`^[+-]?[0-9]*\.[0-9]+$`)
-    regexp_d     = regexp.MustCompile(`^[1-9][0-9]*d([468]|1[02]|20|100)$`)
-}
+var regexp_int   = regexp.MustCompile(`^[0-9]+$`)
+var regexp_float = regexp.MustCompile(`^[+-]?[0-9]*\.[0-9]+$`)
+var regexp_d     = regexp.MustCompile(`^[1-9][0-9]*d([468]|1[02]|20|100)$`)
 
 type VariableType interface {
     Name() string