refactor: split utility functions into utils and helpers

utils/strings.go

@@ -8,3 +8,23 @@ import (
 func Capitalize(s string) string {
 	return fmt.Sprintf("%s%s", strings.ToUpper(s[:1]), s[1:])
 }
+
+func SplitMulti(s string, delimiters ...string) []string {
+	return strings.FieldsFunc(s, func(r rune) bool {
+		for _, d := range delimiters {
+			if string(r) == d {
+				return true
+			}
+		}
+		return false
+	})
+}
+
+func FindString(needle string, haystack []string, defaultVal string) string {
+	for _, s := range haystack {
+		if s == needle {
+			return s
+		}
+	}
+	return defaultVal
+}