SYNOPSIS

# date: "2015-03-07"
parse_text(date, '(\d\d\d\d)-(\d\d)-(\d\d)')
# date:
# - 2015
# - 03
# - 07
# date: "2015-03-07"
parse_text(date, '(?<year>\d\d\d\d)-(?<month>\d\d)-(?<day>\d\d)')
# date:
# year: "2015"
# month: "03"
# day: "07"
# date: "abcd"
parse_text(date, '(\d\d\d\d)-(\d\d)-(\d\d)')
# date: "abcd"