pkg regexp/syntax, const ErrInvalidRepeatSize = "invalid repeat count"
pkg regexp/syntax, const ErrInvalidUTF8 = "invalid UTF-8"
pkg regexp/syntax, const ErrMissingBracket = "missing closing ]"
pkg regexp/syntax, const ErrMissingParen = "missing closing )"
pkg regexp/syntax, const ErrMissingRepeatArgument = "missing argument to repetition operator"
pkg regexp/syntax, const ErrTrailingBackslash = "trailing backslash at end of expression"

pkg go/ast, type Field struct, Tag *BasicLit
pkg go/ast, type Field struct, Type Expr
pkg go/ast, type FieldFilter func(string, reflect.Value) bool
pkg go/ast, type FieldList struct
pkg go/ast, type FieldList struct, Closing token.Pos
pkg go/ast, type FieldList struct, List []*Field
pkg go/ast, type FieldList struct, Opening token.Pos
pkg go/ast, type File struct
pkg go/ast, type File struct, Comments []*CommentGroup