luci-base: cbi.js: add client-side hexstring datatype validator

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 5 insertions, 0 deletions

diff --git a/modules/luci-base/htdocs/luci-static/resources/cbi.js b/modules/luci-base/htdocs/luci-static/resources/cbi.js
index d9b9baf7b..1c2b14df6 100644
--- a/modules/luci-base/htdocs/luci-static/resources/cbi.js
+++ b/modules/luci-base/htdocs/luci-static/resources/cbi.js
@@ -582,6 +582,11 @@ var CBIValidatorPrototype = {
 				return this.apply(subvalidator, undefined, subargs);
 
 			return this.assert(true);
+		},
+
+		hexstring: function() {
+			return this.assert(this.value.match(/^([a-f0-9][a-f0-9]|[A-F0-9][A-F0-9])+$/),
+				_('hexadecimal encoded value'));
 		}
 	}
 };