- #!/bin/bash 
-   
- str='-e ENV_PASSWORD="foo" -e ENV_USER="bar -e sd" -e ENV_DB_NAME="mysite_staging" ' 
-   
- re_pattern='-e[[:space:]]*([^[:space:].=]*)="([^"]*)"' 
-   
- while [[ $str =~ $re_pattern ]]; do 
-     echo "variable: ${BASH_REMATCH[1]}" 
-     echo "value: ${BASH_REMATCH[2]}" 
-     str=${str#*${BASH_REMATCH[1]}=\"${BASH_REMATCH[2]}\"} 
- done 
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