diff --git a/src/djlint/lint.py b/src/djlint/lint.py
index 85ae074..07a5afa 100644
--- a/src/djlint/lint.py
+++ b/src/djlint/lint.py
@@ -76,7 +76,7 @@ def lint_file(config: Config, this_file: Path) -> Dict:
                     {
                         "code": rule["name"],
                         "line": get_line(match.start(), line_ends),
-                        "match": match.group()[:20].strip(),
+                        "match": match.group().strip()[:20],
                         "message": rule["message"],
                     }
                 )
diff --git a/src/djlint/rules.yaml b/src/djlint/rules.yaml
index 14eb96f..9e54514 100644
--- a/src/djlint/rules.yaml
+++ b/src/djlint/rules.yaml
@@ -85,9 +85,9 @@
 - rule:
     name: H011
     message: Attribute values should be quoted.
-    flags: re.DOTALL|re.I
+    flags: re.DOTALL|re.I|re.M
     patterns:
-    - "[^(?:\"|')]\\s+?(?:class|id|src|width|height|alt|style|lang|title|href|action|method)=[a-zA-Z]+"
+    - ^^[^(?:"|')]*?\s+?(?:class|id|src|width|height|alt|style|lang|title|href|action|method)=[a-zA-Z_-]+
 - rule:
     name: H012
     message: There should be no spaces around attribute =.