capturing_groups

📦 Capturing Groups

Use parentheses () to extract subparts of a match. Each group is accessible by index on the MatchData or special global variables like $1.

date = "2023-07-15"
if date =~ /(\d{4})-(\d{2})-(\d{2})/
  puts "Year: #{$1}, Month: #{$2}, Day: #{$3}"
end