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Ruby: convert string to date

Posted by: admin November 30, 2017 Leave a comment

Questions:

In Ruby, what’s the best way to convert a string of the format: "{ 2009, 4, 15 }" to a Date?

Answers:

You could also use Date.strptime:

Date.strptime("{ 2009, 4, 15 }", "{ %Y, %m, %d }")

Questions:
Answers:

Another way:

s = "{ 2009, 4, 15 }"
d = Date.parse( s.gsub(/, */, '-') )

Questions:
Answers:
def parse_date(date)
  Date.parse date.gsub(/[{}\s]/, "").gsub(",", ".")
end

date = parse_date("{ 2009, 4, 15 }")
date.day
#=> 15
date.month
#=> 4
date.year
#=> 2009

Questions:
Answers:

Another way:

Date.new(*"{ 2009, 04, 15 }".scan(/\d+/).map(&:to_i))