Delimited String to Array

gistfile1.sh

#!/bin/bash
 
str="[email protected];[email protected];[email protected]"
delimiter=";"
declare -a arr
arr=(`echo ${str//$delimiter/ }`)
 
#get "keys" - ${!arr[@]}
for i in "${!arr[@]}"; do
  printf "%s\t%s\n" "$i" "${arr[$i]}"
done

#0 [email protected]
#1 [email protected]
#2 [email protected]