phonenumber: Convert Letters to Numbers and Back as on a Telephone Keypad

Convert English letters to numbers or numbers to English letters as on a telephone keypad. When converting letters to numbers, a character vector is returned with "A," "B," or "C" becoming 2, "D," "E", or "F" becoming 3, etc. When converting numbers to letters, a character vector is returned with multiple elements (i.e., "2" becomes a vector of "A," "B," and "C").

Version: 0.2.3
Depends: R (≥ 3.1.3)
Suggests: knitr, rmarkdown, testthat
Published: 2021-05-01
DOI: 10.32614/CRAN.package.phonenumber
Author: Steve Myles [aut, cre]
Maintainer: Steve Myles <steve at>
License: MIT + file LICENSE
NeedsCompilation: no
Materials: README NEWS
CRAN checks: phonenumber results


Reference manual: phonenumber.pdf
Vignettes: phonenumber


Package source: phonenumber_0.2.3.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): phonenumber_0.2.3.tgz, r-oldrel (arm64): phonenumber_0.2.3.tgz, r-release (x86_64): phonenumber_0.2.3.tgz, r-oldrel (x86_64): phonenumber_0.2.3.tgz
Old sources: phonenumber archive


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