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-rw-r--r--interface-definitions/service_webproxy.xml.in4
1 files changed, 2 insertions, 2 deletions
diff --git a/interface-definitions/service_webproxy.xml.in b/interface-definitions/service_webproxy.xml.in
index 3acac7f9d..bd5396291 100644
--- a/interface-definitions/service_webproxy.xml.in
+++ b/interface-definitions/service_webproxy.xml.in
@@ -488,9 +488,9 @@
<description>Name of source group</description>
</valueHelp>
<constraint>
- <regex>^[^0-9]</regex>
+ <regex>^(?!-|_|\d)[a-zA-Z_][a-zA-Z0-9][\w\-\.]*</regex>
</constraint>
- <constraintErrorMessage>URL-filter source-group cannot start with a number!</constraintErrorMessage>
+ <constraintErrorMessage>URL-filter source-group must start with a letter and can contain dashes or underscores!</constraintErrorMessage>
</properties>
<children>
<leafNode name="address">