feat: add IsDateString function

asaskevich · Mar 6, 2024 · 4d94f08 · 4d94f08
1 parent a9d515a
commit 4d94f08
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diff --git a/types.go b/types.go
@@ -166,6 +166,7 @@ var TagMap = map[string]Validator{
 	"ISO4217":            IsISO4217,
 	"IMEI":               IsIMEI,
 	"ulid":               IsULID,
+	"date":               IsDateString,
 }
 
 // ISO3166Entry stores country codes

diff --git a/validator.go b/validator.go
@@ -1766,3 +1766,10 @@ func (sv stringValues) get(i int) string   { return sv[i].String() }
 func IsE164(str string) bool {
 	return rxE164.MatchString(str)
 }
+
+// IsDateString checks if a string is in the "YYYY-MM-DD" date format and returns true if valid.
+func IsDateString(str string) bool {
+	layout := "2006-01-02"
+	_, err := time.Parse(layout, str)
+	return err == nil
+}