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-rw-r--r--interface-definitions/include/constraint/alpha-numeric-hyphen-underscore-dot.xml.i2
1 files changed, 1 insertions, 1 deletions
diff --git a/interface-definitions/include/constraint/alpha-numeric-hyphen-underscore-dot.xml.i b/interface-definitions/include/constraint/alpha-numeric-hyphen-underscore-dot.xml.i
index 7aeb85260..34c94e53c 100644
--- a/interface-definitions/include/constraint/alpha-numeric-hyphen-underscore-dot.xml.i
+++ b/interface-definitions/include/constraint/alpha-numeric-hyphen-underscore-dot.xml.i
@@ -1,3 +1,3 @@
<!-- include start from constraint/alpha-numeric-hyphen-underscore-dot.xml.i -->
-<regex>[-_a-zA-Z0-9.]+</regex>
+<regex>[-_a-zA-Z0-9][\w\-\.\+]*</regex>
<!-- include end -->