refactored nodes model

models/validation.go

@@ -0,0 +1,16 @@
+package models
+
+import (
+	"regexp"
+
+	"github.com/go-playground/validator/v10"
+)
+
+func CheckYesOrNo(fl validator.FieldLevel) bool {
+	return fl.Field().String() == "yes" || fl.Field().String() == "no"
+}
+
+func CheckRegex(fl validator.FieldLevel) bool {
+	re := regexp.MustCompile(fl.Param())
+	return re.MatchString(fl.Field().String())
+}