Build documentation

15. Run document() or Build > More > Document (ctrl + shift + d) to:
    • Build the man/strsplit1.Rd file.
    • Update the `NAMESPACE file based on @export tags found in roxygen comments.

document()
# ℹ Updating regexcite documentation
# ℹ Loading regexcite
# Writing NAMESPACE
# Writing strsplit1.Rd