ctags

--regex-ruby=/(^|[:;])[ \t]*([A-Z][[:alnum:]_]+) *=/\2/c,class,constant/
--regex-ruby=/^[ \t]*attr_(reader|writer|accessor) (:[a-z0-9_]+, )*:([a-z0-9_]+)/\3/A,attr/
--langdef=Elixir
--langmap=Elixir:.ex.exs
--regex-Elixir=/^[ \t]*def(p?)[ \t]+([a-z_][a-zA-Z0-9_?!]*)/\2/f,functions,functions (def ...)/
--regex-Elixir=/^[ \t]*defcallback[ \t]+([a-z_][a-zA-Z0-9_?!]*)/\1/c,callbacks,callbacks (defcallback ...)/
--regex-Elixir=/^[ \t]*defdelegate[ \t]+([a-z_][a-zA-Z0-9_?!]*)/\1/d,delegates,delegates (defdelegate ...)/
--regex-Elixir=/^[ \t]*defexception[ \t]+([A-Z][a-zA-Z0-9_]*\.)*([A-Z][a-zA-Z0-9_?!]*)/\2/e,exceptions,exceptions (defexception ...)/
--regex-Elixir=/^[ \t]*defimpl[ \t]+([A-Z][a-zA-Z0-9_]*\.)*([A-Z][a-zA-Z0-9_?!]*)/\2/i,implementations,implementations (defimpl ...)/
--regex-Elixir=/^[ \t]*defmacro(p?)[ \t]+([a-z_][a-zA-Z0-9_?!]*)\(/\2/a,macros,macros (defmacro ...)/
--regex-Elixir=/^[ \t]*defmacro(p?)[ \t]+([a-zA-Z0-9_?!]+)?[ \t]+([^ \tA-Za-z0-9_]+)[ \t]*[a-zA-Z0-9_!?!]/\3/o,operators,operators (e.g. "defmacro a <<< b")/
--regex-Elixir=/^[ \t]*defmodule[ \t]+([A-Z][a-zA-Z0-9_]*\.)*([A-Z][a-zA-Z0-9_?!]*)/\2/m,modules,modules (defmodule ...)/
--regex-Elixir=/^[ \t]*defprotocol[ \t]+([A-Z][a-zA-Z0-9_]*\.)*([A-Z][a-zA-Z0-9_?!]*)/\2/p,protocols,protocols (defprotocol...)/
--regex-Elixir=/^[ \t]*Record\.defrecord[ \t]+:([a-zA-Z0-9_]+)/\1/r,records,records (defrecord...)/
--regex-Elixir=/^[ \t]*test[ \t]+\"([a-z_][a-zA-Z0-9_?! ]*)\"*/\1/t,tests,tests (test ...)/
--exclude=bower_components
--exclude=node_modules
--exclude=vendor
--languages=-javascript
--langdef=js
--langmap=js:.js
--langmap=js:+.jsx
--regex-js=/[ \t.]([A-Z][A-Z0-9._$]+)[ \t]*[=:][ \t]*([0-9"'\[\{]|null)/\1/n,constant/

--langdef=CoffeeScript
--langmap=CoffeeScript:.coffee
--regex-CoffeeScript=/(^|=[ \t])*class ([A-Za-z.]+)( extends [A-Za-z.]+)?$/\2/c,class/
--regex-CoffeeScript=/^[ \t]*@?([A-Za-z.]+):.*[-=]>.*$/\1/f,function/
--regex-CoffeeScript=/^[ \t]*([A-Za-z.]+)[ \t]+=.*[-=]>.*$/\1/f,function/
--regex-CoffeeScript=/^[ \t]*([A-Za-z.]+)[ \t]+=[^->\n]*$/\1/v,variable/

--langdef=markdown
--langmap=markdown:.md
--regex-markdown=/^#{1}[ \t]*([^#]+.*)/. \1/h,heading1/
--regex-markdown=/^#{2}[ \t]*([^#]+.*)/.   \1/h,heading2/
--regex-markdown=/^#{3}[ \t]*([^#]+.*)/.     \1/h,heading3/
--regex-markdown=/^#{4}[ \t]*([^#]+.*)/.       \1/h,heading4/
--regex-markdown=/^#{5}[ \t]*([^#]+.*)/.         \1/h,heading5/
--regex-markdown=/^#{6}[ \t]*([^#]+.*)/.           \1/h,heading6/