diff --git a/src/api2/types.rs b/src/api2/types.rs
index cf6edfb6..2bc4132b 100644
--- a/src/api2/types.rs
+++ b/src/api2/types.rs
@@ -67,6 +67,8 @@ const_regex!{
 
     pub PROXMOX_USER_ID_REGEX = concat!(r"^",  USER_ID_REGEX_STR!(), r"$");
 
+    pub BACKUP_REPO_URL_REGEX = concat!(r"^^(?:(?:(", USER_ID_REGEX_STR!(), ")@)?(", DNS_NAME!(), "|",  IPRE!() ,"):)?(", PROXMOX_SAFE_ID_REGEX_STR!(), r")$");
+
     pub PROXMOX_GROUP_ID_REGEX = concat!(r"^",  GROUP_NAME_REGEX_STR!(), r"$");
 
     pub CERT_FINGERPRINT_SHA256_REGEX = r"^(?:[0-9a-fA-F][0-9a-fA-F])(?::[0-9a-fA-F][0-9a-fA-F]){31}$";
diff --git a/src/client/backup_repo.rs b/src/client/backup_repo.rs
index bf3bb1fa..d02a1859 100644
--- a/src/client/backup_repo.rs
+++ b/src/client/backup_repo.rs
@@ -3,12 +3,8 @@ use std::fmt;
 use anyhow::{format_err, Error};
 
 use proxmox::api::schema::*;
-use proxmox::const_regex;
 
-const_regex! {
-    /// Regular expression to parse repository URLs
-    pub BACKUP_REPO_URL_REGEX = r"^(?:(?:([\w@]+)@)?([\w\-_.]+):)?(\w+)$";
-}
+use crate::api2::types::*;
 
 /// API schema format definition for repository URLs
 pub const BACKUP_REPO_URL: ApiStringFormat = ApiStringFormat::Pattern(&BACKUP_REPO_URL_REGEX);