X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/dc2a2c8ebd1a11e4a64555fda22c6859a51defff..c2ece47a58e5141f8e423896117f565aeb90b9f7:/config/initializers/field_error.rb

diff --git a/config/initializers/field_error.rb b/config/initializers/field_error.rb
index 3ccd1d391..a3e3d3aac 100644
--- a/config/initializers/field_error.rb
+++ b/config/initializers/field_error.rb
@@ -4,6 +4,6 @@ ActionView::Base.field_error_proc = proc do |html_tag, _instance|
   if class_attr_index
     html_tag.insert class_attr_index + 7, "field_with_errors "
   else
-    html_tag.insert html_tag.index(/\/?>/), ' class="field_with_errors"'
+    html_tag.insert html_tag.index(%r{/?>}), ' class="field_with_errors"'
   end
 end