diff --git a/charts/stable/collabora-online/questions.yaml b/charts/stable/collabora-online/questions.yaml
index 86098d2f762..117052d5187 100644
--- a/charts/stable/collabora-online/questions.yaml
+++ b/charts/stable/collabora-online/questions.yaml
@@ -80,7 +80,7 @@ questions:
           schema:
             type: string
             default: 'nextcloud.domain.tld|othernextcloud.domain.tld'
-            valid_chars: '^(([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})((\|((([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})))*)$'
+            valid_chars: '^((([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})|((\d{1,3}\.){3}\d{1,3}))((\|((([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})|((\d{1,3}\.){3}\d{1,3})))*)$'
             required: true
         - variable: username
           label: "Username for WebUI"
@@ -119,7 +119,7 @@ questions:
           schema:
             type: string
             default: 'collabora.domain.tld'
-            valid_chars: '^(([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})$'
+            valid_chars: '^((([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})|((\d{1,3}\.){3}\d{1,3}))$'
 
 # Include{containerConfig}
 
diff --git a/docs/apps/stable/collabora-online/validation.md b/docs/apps/stable/collabora-online/validation.md
index d7121d8fd43..b99048fb037 100644
--- a/docs/apps/stable/collabora-online/validation.md
+++ b/docs/apps/stable/collabora-online/validation.md
@@ -5,6 +5,9 @@ Accepted formats are:
 
 - Single FQDN (eg. `cloud.mydomain.com` or `mydomain.com`)
 - Multiple FQDN (eg. `cloud.mydomain.com|nextcloud.mydomain.com` or `mydomain.com|cname.mydomain.com`) - Each FQDN is separated with `|`
+- Single IP's (eg. `10.10.10.11`)
+- Multiple IP's (eg. `10.10.10.11|10.10.10.2`) - Each IP is separated with `|`
+- Mixed FQDN and IP's (eg. `10.10.10.11|domain.com` or `domain.com|10.10.10.11`) - Each FQDN or IP is separated with `|`
 
 Each FQDN is split into parts
 __Hostname (`cname`.domain.com)__ _Optional_
@@ -24,18 +27,19 @@ __Top-Level-Domains (cname.domain.`com`)__
 * Must start with [a-z].
 * Must NOT end with `-`.
 
-Regex used to match those: `^(([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})((\|((([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})))*)$`
-You can try live [here](https://regex101.com/r/rIxhye/1)
+Regex used to match those: `^((([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})|((\d{1,3}\.){3}\d{1,3}))((\|((([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})|((\d{1,3}\.){3}\d{1,3})))*)$`
+You can try live [here](https://regex101.com/r/ymDFln/1)
 
 __`Server Name`__
 Accepted formats are:
 
 - Single FQDN (eg. `collabora.mydomain.com` or `mydomain.com`)
+- Single IP (eg. `10.10.10.11`)
 
 _Same rules apply for FQDN as in the section above_
 
-Regex used to match this: `^(([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})$`
-You can try live [here](https://regex101.com/r/0HpkSI/1)
+Regex used to match this: `^((([a-z\d](-?[a-z\d]){0,62})\.)*(([a-z\d](-?[a-z\d]){0,62})\.)([a-z](-?[a-z\d]){1,62})|((\d{1,3}\.){3}\d{1,3}))$`
+You can try live [here](https://regex101.com/r/mICKDp/1)
 
 __`Password for WebUI`__
 Accepted formats are: