- REGEX_DOMAIN =
/[\p{L}0-9]+([-.]{1}[\p{L}\p{N}\p{Pd}]*[\p{L}\p{N}]+)*\.\p{L}{2,63}/i.freeze- REGEX_SIMPLE_EMAIL_PATTERN =
/\w+@\w+/.freeze
- REGEX_EMAIL_PATTERN =
%r{(?=\A.{6,255}\z)(\A([\p{L}0-9]+[\w\p{L}.+!~,'&%#*^`{}|\-/?=$]*)@(#{REGEX_DOMAIN})\z)}.freeze- REGEX_DOMAIN_PATTERN =
/(?=\A.{4,255}\z)(\A#{REGEX_DOMAIN}\z)/.freeze- REGEX_DOMAIN_FROM_EMAIL =
/\A.+@(.+)\z/.freeze
- REGEX_SMTP_ERROR_BODY_PATTERN =
/(?=.*550)(?=.*(user|account|customer|mailbox)).*/i.freeze
- REGEX_IP_ADDRESS =
/((1\d|[1-9]|2[0-4])?\d|25[0-5])(\.\g<1>){3}/.freeze- REGEX_IP_ADDRESS_PATTERN =
/\A#{REGEX_IP_ADDRESS}\z/.freeze- REGEX_PORT_NUMBER =
/6553[0-5]|655[0-2]\d|65[0-4](\d){2}|6[0-4](\d){3}|[1-5](\d){4}|[1-9](\d){0,3}/.freeze- REGEX_DNS_SERVER_ADDRESS_PATTERN =
/\A#{REGEX_IP_ADDRESS}(:#{REGEX_PORT_NUMBER})?\z/.freeze