scala regular expressions for ctags and tagbar in vim

dot_ctags

--langdef=Scala
--langmap=Scala:.scala
--regex-Scala=/^[ \t]*(((implicit|private|protected)?[ \t]*)*(\[[a-zA-Z0-9_]*\])?[ \t]*)*object[ \t]*([a-zA-Z0-9_]+)/\5/o,objects/
--regex-Scala=/^[ \t]*(((implicit|private|protected|sealed)?[ \t]*)*(\[[a-zA-Z0-9_]*\])?[ \t]*)*trait[ \t]*([a-zA-Z0-9_]+)/\5/t,traits/
--regex-Scala=/^[ \t]*(((implicit|private|protected|sealed)?[ \t]*)*(\[[a-zA-Z0-9_]*\])?[ \t]*)*(case[ \t]*)?class[ \t]*([a-zA-Z0-9_]+)/\6/c,classes/
--regex-Scala=/^[ \t]*abstract[ \t]*class[ \t]*([a-zA-Z0-9_]+)/\1/a,aclasses/
--regex-Scala=/^[ \t]*((implicit|override|lazy|private|protected|private\[[a-zA-Z]+\])[ \t]*)*def[ \t]*([a-zA-Z0-9_=]+)[ \t]*/\3/m,methods/
--regex-Scala=/^[ \t]*(((override|lazy|private|protected)?[ \t]*)*(\[[a-zA-Z0-9_]*\])?[ \t]*)*val[ \t]*([a-zA-Z0-9_]+)[ \t]*[:=]/\5/V,values/
--regex-Scala=/^[ \t]*(((override|lazy|private|protected)?[ \t]*)*(\[[a-zA-Z0-9_]*\])?[ \t]*)*var[ \t]*([a-zA-Z0-9_]+)[ \t]*[:=]/\5/v,variables/
--regex-Scala=/^[ \t]*type[ \t]*([a-zA-Z0-9_]+)[ \t]*[\[<>=]/\1/T,types/
--regex-Scala=/^[ \t]*import[ \t]*([a-zA-Z0-9_{}., \t=>]+$)/\1/i,includes/
--regex-Scala=/^[ \t]*package[ \t]*([a-zA-Z0-9_.]+$)/\1/p,packages/
--langmap=Lisp:.clj
--langdef=Rust
--langmap=Rust:.rs
--regex-Rust=/^[ \t]*(#\[[^\]]\][ \t]*)*(pub[ \t]+)?(extern[ \t]+)?("[^"]+"[ \t]+)?(unsafe[ \t]+)?fn[ \t]+([a-zA-Z0-9_]+)/\6/f,functions,function definitions/
--regex-Rust=/^[ \t]*(pub[ \t]+)?type[ \t]+([a-zA-Z0-9_]+)/\2/T,types,type definitions/
--regex-Rust=/^[ \t]*(pub[ \t]+)?enum[ \t]+([a-zA-Z0-9_]+)/\2/g,enum,enumeration names/
--regex-Rust=/^[ \t]*(pub[ \t]+)?struct[ \t]+([a-zA-Z0-9_]+)/\2/s,structure names/
--regex-Rust=/^[ \t]*(pub[ \t]+)?mod[ \t]+([a-zA-Z0-9_]+)/\2/m,modules,module names/
--regex-Rust=/^[ \t]*(pub[ \t]+)?(static|const)[ \t]+(mut[ \t]+)?([a-zA-Z0-9_]+)/\4/c,consts,static constants/
--regex-Rust=/^[ \t]*(pub[ \t]+)?(unsafe[ \t]+)?trait[ \t]+([a-zA-Z0-9_]+)/\3/t,traits,traits/
--regex-Rust=/^[ \t]*(pub[ \t]+)?(unsafe[ \t]+)?impl([ \t\n]*<[^>]*>)?[ \t]+(([a-zA-Z0-9_:]+)[ \t]*(<[^>]*>)?[ \t]+(for)[ \t]+)?([a-zA-Z0-9_]+)/\5 \7 \8/i,impls,trait implementations/
--regex-Rust=/^[ \t]*macro_rules![ \t]+([a-zA-Z0-9_]+)/\1/d,macros,macro definitions/