fix(linter): fixed false positive on DJ018

Thanks @danigm

closes #755

src/djlint/rules.yaml

@@ -126,14 +126,14 @@
     flags: re.DOTALL|re.I
     patterns:
     - <(?:a|div|span|input)\b[^>]*?\s(?:href|data-url|data-src|action)=[\"|'](?!(?:https?://)|javascript:|on\w+:|mailto:|tel:|data:)[\w|/]+
-    - <form\b[^>]*?(?:\saction)=[\"|'](?!(?:https?://)|javascript:|on\w+:|mailto:|tel:)[\w|/]+
+    - <form(?:(?!>|\saction=(?:\"[^\"]*\"|'[^']*')).)*?\saction=[\"|'](?!(?:https?://)|javascript:|on\w+:|mailto:|tel:)[\w|/|\s]+
 - rule:
     name: J018
     message: (Jinja) Internal links should use the {{ url_for() ... }} pattern.
     flags: re.DOTALL|re.I
     patterns:
     - <(?:a|div|span|input)\b[^>]*?\s(?:href|data-url|data-src|action)=[\"|'](?!(?:https?://)|javascript:|on\w+:|mailto:|tel:|data:)[\w|/]+
-    - <form\s+?[^>]*?(?:action)=[\"|'](?!(?:https?://)|javascript:|on\w+:|mailto:|tel:)[\w|/]+
+    - <form(?:(?!>|\saction=(?:\"[^\"]*\"|'[^']*')).)*?\saction=[\"|'](?!(?:https?://)|javascript:|on\w+:|mailto:|tel:)[\w|/|\s]+
 - rule:
     name: H019
     message: Replace 'javascript:abc()' with on_ event and real url.

tests/test_linter/test_django_linter.py

@@ -279,6 +279,11 @@
         ([]),
         id="DJ018_data_action",
     ),
+    pytest.param(
+        ('<form action="{% url \'something\' action="xxx" %}"></form>'),
+        ([]),
+        id="DJ018_action_attr_url",
+    ),
     pytest.param(
         ("{% blah 'asdf %}"),
         (

tests/test_linter/test_jinja_linter.py

@@ -134,6 +134,11 @@
         ([]),
         id="J018_attributes",
     ),
+    pytest.param(
+        ('<form action="{{ url_for(\'something\', action="xxx") }}"></form>'),
+        ([]),
+        id="J018_action_attr_url",
+    ),
     pytest.param(
         (
             "{% macro rendersubmit(buttons=[], class=\"\", index='', url='', that=\"\" , test='') -%}"