diff --git a/src/extension.ts b/src/extension.ts
index fd552df0330b3610650c27f8cfbc485a0fb6f18f..1766ec50b831b28d4806907e5645f3bf0c1eefcd 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -130,7 +130,7 @@         } else if (languages.indexOf('html') !== -1) {
           // match emmet style syntax
           // e.g. .flex.items-center
           let lineText = text.split('\n').pop()
-          matches = lineText.match(/\.([^()#>*^ \[\]=$@{}]*)$/i)
+          matches = lineText.match(/^\s*[a-z-]*\.(.*?)$/i)
           let parts = matches[matches.length - 1].split('.')
           str = parts[parts.length - 1]
         }