[libc++] Fix some typos in the comment header for <regex>

No functional change because all the changed "code" is actually inside
comments.

Differential Revision: https://reviews.llvm.org/D82589

Cr-Mirrored-From: https://chromium.googlesource.com/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: d8e3e55857b27dc812626ac638c13dd9a2f6a027
diff --git a/include/regex b/include/regex
index 433ba0f..f42f1ec 100644
--- a/include/regex
+++ b/include/regex
@@ -21,7 +21,7 @@
 namespace regex_constants
 {
 
-emum syntax_option_type
+enum syntax_option_type
 {
     icase      = unspecified,
     nosubs     = unspecified,
@@ -631,7 +631,7 @@
                   const basic_regex<charT, traits>& e, const charT* fmt,
                   regex_constants::match_flag_type flags = regex_constants::match_default);
 
-template <class traits, class charT, class ST, class SA, class FST, class FSA>>
+template <class traits, class charT, class ST, class SA, class FST, class FSA>
     basic_string<charT, ST, SA>
     regex_replace(const basic_string<charT, ST, SA>& s,
                   const basic_regex<charT, traits>& e,
@@ -675,9 +675,9 @@
     regex_iterator(BidirectionalIterator a, BidirectionalIterator b,
                    const regex_type& re,
                    regex_constants::match_flag_type m = regex_constants::match_default);
-    regex_iterator(_BidirectionalIterator __a, _BidirectionalIterator __b,
-                   const regex_type&& __re,
-                   regex_constants::match_flag_type __m
+    regex_iterator(BidirectionalIterator a, BidirectionalIterator b,
+                   const regex_type&& re,
+                   regex_constants::match_flag_type m
                                      = regex_constants::match_default) = delete; // C++14
     regex_iterator(const regex_iterator&);
     regex_iterator& operator=(const regex_iterator&);
@@ -698,7 +698,7 @@
 typedef regex_iterator<wstring::const_iterator> wsregex_iterator;
 
 template <class BidirectionalIterator,
-          class charT = typename iterator_traits< BidirectionalIterator>::value_type,
+          class charT = typename iterator_traits<BidirectionalIterator>::value_type,
           class traits = regex_traits<charT>>
 class regex_token_iterator
 {
@@ -735,8 +735,8 @@
                              regex_constants::match_flag_type m = regex_constants::match_default);
     template <size_t N>
         regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
-                             const regex_type& re, const int (&submatches)[N],
-                             regex_constants::match_flag_type m = regex_constants::match_default) = delete // C++14;
+                             const regex_type&& re, const int (&submatches)[N],
+                             regex_constants::match_flag_type m = regex_constants::match_default) = delete; // C++14
     regex_token_iterator(const regex_token_iterator&);
     regex_token_iterator& operator=(const regex_token_iterator&);