Install package strex in ubuntu

To update this package, I have been forced to remove it and to install it again.

Otherwise, I get an error like this one:

Erreur : le chargement du package ou de l'espace de noms a échoué pour ‘stringr’ in dyn.load(file, DLLpath = DLLpath, ...) :
impossible de charger l'objet partagé '/usr/lib/R/site-library/stringi/libs/stringi.so' :
  libicuuc.so.70: cannot open shared object file: No such file or directory

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