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-rw-r--r--interface-definitions/include/constraint/dhcp-client-string-option.xml.i2
1 files changed, 1 insertions, 1 deletions
diff --git a/interface-definitions/include/constraint/dhcp-client-string-option.xml.i b/interface-definitions/include/constraint/dhcp-client-string-option.xml.i
index 88257a9bb..0e3fb8a96 100644
--- a/interface-definitions/include/constraint/dhcp-client-string-option.xml.i
+++ b/interface-definitions/include/constraint/dhcp-client-string-option.xml.i
@@ -1,4 +1,4 @@
<!-- include start from constraint/dhcp-client-string-option.xml.i -->
-<regex>[-_a-zA-Z0-9\s]+</regex>
+<regex>[-_a-zA-Z0-9.\s]+</regex>
<regex>([a-fA-F0-9][a-fA-F0-9]:){2,}[a-fA-F0-9][a-fA-F0-9]</regex>
<!-- include end -->