libkpimutils4 4:4.14.10-1ubuntu7 (arm64 binary) in ubuntu bionic

 This library contains utility functions for dealing with email addresses.
 This includes parsing, splitting and munging email addresses represented
 as strings (e.g. in email headers); some additional functions handle
 non-latin1 upper- and lower-case conversions.
 .
 This package is part of the KDE Development Platform PIM libraries module.