remove <regex> from unapproved headers in cpplint

Matthias Güdemann · Matthias Güdemann · commit 4e8760856bb7 · 2017-03-09T11:05:27.000+01:00
The reason for `<regex>` being discouraged seems to be a preference for an external library within Google: google/styleguide#194
diff --git a/scripts/cpplint.py b/scripts/cpplint.py
@@ -6264,7 +6264,6 @@ def FlagCxx11Features(filename, clean_lines, linenum, error):
                                       'thread',
                                       'chrono',
                                       'ratio',
-                                      'regex',
                                       'system_error',
                                      ):
     error(filename, linenum, 'build/c++11', 5,
