stubs regex-constants-class

mtx48109 · mtx48109 · commit ce81f35a8768 · 2018-09-07T14:06:39.000-07:00
diff --git a/docs/standard-library/regex-constants-class.md b/docs/standard-library/regex-constants-class.md
@@ -30,6 +30,12 @@ namespace regex_constants {
 
 The namespace `regex_constants` encapsulates several flag types and their associated flag values.
 
+|||
+|-|-|
+|[error_type](#error_type)|Flags for reporting regular expression syntax errors.|
+|[match_flag_type](#match_flag_type)|Flags for regular expression matching options.|
+|[syntax_option_type](#syntax_option_type)|Flags for selecting syntax options.|
+
 ## Requirements
 
 **Header:** \<regex>
