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#!/usr/bin/env bash
DATABASE_URL="postgres://MyPostgresUser:MyPostgresPassword@192.168.0.1:5432/MyPostgresDB"
# `cut` is used to cut out the separators (:, @, /) that come matched with the groups.
DATABASE_USER=$(echo $DATABASE_URL | grep -oP "postgres://\K(.+?):" | cut -d: -f1)
DATABASE_PASSWORD=$(echo $DATABASE_URL | grep -oP "postgres://.*:\K(.+?)@" | cut -d@ -f1)
DATABASE_HOST=$(echo $DATABASE_URL | grep -oP "postgres://.*@\K(.+?):" | cut -d: -f1)
DATABASE_PORT=$(echo $DATABASE_URL | grep -oP "postgres://.*@.*:\K(\d+)/" | cut -d/ -f1)
DATABASE_NAME=$(echo $DATABASE_URL | grep -oP "postgres://.*@.*:.*/\K(.+?)$")
echo $DATABASE_USER
echo $DATABASE_PASSWORD
echo $DATABASE_HOST
echo $DATABASE_PORT
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