Alpine Bugs
# On alpine$ a=$(echo -e '\xffz'); if [[ $a =~ 'z' ]]; then echo 1; else echo 0; fi0# On real bash$ a=$(echo -e '\xffz'); if [[ $a =~ 'z' ]]; then echo 1; else echo 0; fi1
# On alpine$ a=$(echo -e '\xffz'); if [[ $a =~ 'z' ]]; then echo 1; else echo 0; fi0# On real bash$ a=$(echo -e '\xffz'); if [[ $a =~ 'z' ]]; then echo 1; else echo 0; fi1