Tidy Output from Regular Expression Matching
c(
    person("Gábor", "Csárdi", email = "csardi.gabor@gmail.com", role = c("aut", "cre")),
    person("Matthew", "Lincoln", email = "matthew.d.lincoln@gmail.com", role = c("ctb")))
Wrappers on 'regexpr' and 'gregexpr' to return the match
    results in tidy data frames.
Gábor Csárdi [aut, cre],
  Matthew Lincoln [ctb]