re = /(\[To:\d+\]|\[reply:\d+\]|\[quote:\d+\]|\[返信:\d+\]|\[引用:\d+\]).+(さん)/m
str = '
[To:1183]user1 - business 1さん[To:1186]user 1 - supplier 1さん
[To:1191]user3 - business1さん
[To:1224]user - client 1 (business1)さん'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html