ctags

--langdef=Go
--langmap=Go:.go
--regex-Go=/func([ \t]+\([^)]+\))?[ \t]+([a-zA-Z0-9_]+)/\2/f,func/
--regex-Go=/type[ \t]+([a-zA-Z_][a-zA-Z0-9_]+)/\1/t,type/

--langdef=markdown
--langmap=markdown:.md
--regex-markdown=/^#[ \t]+(.*)/\1/h,Heading_L1/
--regex-markdown=/^##[ \t]+(.*)/\1/i,Heading_L2/
--regex-markdown=/^###[ \t]+(.*)/\1/k,Heading_L3/

--langdef=coffee
--langmap=coffee:.coffee
--regex-coffee=/(^|=[ \t])*class ([A-Za-z]+\.)*([A-Za-z]+)( extends [A-Za-z_.]+)?$/\3/c,class/
--regex-coffee=/^[ \t]*(module\.)?(exports\.)?@?([A-Za-z_.]+):.*[-=]>.*$/\3/m,method/
--regex-coffee=/^[ \t]*(module\.)?(exports\.)?([A-Za-z_.]+)[ \t]+=.*[-=]>.*$/\3/f,function/
--regex-coffee=/^[ \t]*([A-Za-z_.]+)[ \t]+=[^->\n]*$/\1/v,variable/
--regex-coffee=/^[ \t]*@([A-Za-z_.]+)[ \t]+=[^->\n]*$/\1/f,field/
--regex-coffee=/^[ \t]*@([A-Za-z_.]+):[^->\n]*$/\1/f,static field/
--regex-coffee=/^[ \t]*([A-Za-z_.]+):[^->\n]*$/\1/f,field/
--regex-coffee=/constructor:[ \t]+\([ \t]*@([A-Za-z_.]+)/\1/f,field/
--regex-coffee=/constructor:[ \t]+\(([ \t]*@[A-Za-z_.]+[^,)]*,[ \t]*@([A-Za-z_.]+)){1}/\2/f,field/
--regex-coffee=/constructor:[ \t]+\(([ \t]*@[A-Za-z_.]+[^,)]*,[ \t]*@([A-Za-z_.]+)){2}/\2/f,field/
--regex-coffee=/constructor:[ \t]+\(([ \t]*@[A-Za-z_.]+[^,)]*,[ \t]*@([A-Za-z_.]+)){3}/\2/f,field/
--regex-coffee=/constructor:[ \t]+\(([ \t]*@[A-Za-z_.]+[^,)]*,[ \t]*@([A-Za-z_.]+)){4}/\2/f,field/
--regex-coffee=/constructor:[ \t]+\(([ \t]*@[A-Za-z_.]+[^,)]*,[ \t]*@([A-Za-z_.]+)){5}/\2/f,field/
--regex-coffee=/constructor:[ \t]+\(([ \t]*@[A-Za-z_.]+[^,)]*,[ \t]*@([A-Za-z_.]+)){6}/\2/f,field/
--regex-coffee=/constructor:[ \t]+\(([ \t]*@[A-Za-z_.]+[^,)]*,[ \t]*@([A-Za-z_.]+)){7}/\2/f,field/
--regex-coffee=/constructor:[ \t]+\(([ \t]*@[A-Za-z_.]+[^,)]*,[ \t]*@([A-Za-z_.]+)){8}/\2/f,field/
--regex-coffee=/constructor:[ \t]+\(([ \t]*@[A-Za-z_.]+[^,)]*,[ \t]*@([A-Za-z_.]+)){9}/\2/f,field/

--langdef=objc
--langmap=objc:.m.h
--regex-objc=/^[[:space:]]*[-+][[:space:]]*\([[:alpha:]]+[[:space:]]*\*?\)[[:space:]]*([[:alnum:]]+):[[:space:]]*\(/\1/m,method/
--regex-objc=/^[[:space:]]*[-+][[:space:]]*\([[:alpha:]]+[[:space:]]*\*?\)[[:space:]]*([[:alnum:]]+)[[:space:]]*\{/\1/m,method/
--regex-objc=/^[[:space:]]*[-+][[:space:]]*\([[:alpha:]]+[[:space:]]*\*?\)[[:space:]]*([[:alnum:]]+)[[:space:]]*\;/\1/m,method/
--regex-objc=/^[[:space:]]*\@property[[:space:]]+.*[[:space:]]+\*?(.*);$/\1/p,property/
--regex-objc=/^[[:space:]]*\@implementation[[:space:]]+(.*)$/\1/c,class/
--regex-objc=/^[[:space:]]*\@interface[[:space:]]+(.*)[[:space:]]+:.*{/\1/i,interface/

--langdef=rust
--langmap=rust:.rs
--regex-rust=/[ \t]*fn[ \t]+([a-zA-Z0-9_]+)/\1/f,function/
--regex-rust=/[ \t]*type[ \t]+([a-zA-Z0-9_]+)/\1/T,types/
--regex-rust=/[ \t]*enum[ \t]+([a-zA-Z0-9_]+)/\1/T,types/
--regex-rust=/[ \t]*struct[ \t]+([a-zA-Z0-9_]+)/\1/m,types/
--regex-rust=/[ \t]*class[ \t]+([a-zA-Z0-9_]+)/\1/m,types/
--regex-rust=/[ \t]*mod[ \t]+([a-zA-Z0-9_]+)/\1/m,modules/
--regex-rust=/[ \t]*const[ \t]+([a-zA-Z0-9_]+)/\1/m,consts/
--regex-rust=/[ \t]*trait[ \t]+([a-zA-Z0-9_]+)/\1/m,traits/
--regex-rust=/[ \t]*impl[ \t]+([a-zA-Z0-9_]+)/\1/m,impls/
--regex-rust=/[ \t]*impl[ \t]+of[ \t]([a-zA-Z0-9_]+)/\1/m,impls/