PHP commonly used regular expression mailbox phone number what

Class Regexconst {    Const REGEX_MOBLIE_86 = '/^1 (3|4|5|7|8) \d{9}$/';//China Mobile number    Const REGEX_MOBLIE_852 = '/^ (5|6|9) \d{7}$/';//HONG Kong mobile phone number    Const REGEX_MOBLIE_1 = '/^\d{10}$/';//US mobile phone number    Const regex_moblie_0039 = '/^\d{10}$/';//Italy mobile number    Const REGEX_MOBLIE_0044 = '/^7\d{9}$/';//UK mobile phone number    Const Regex_moblie = '/^\d{7,11}$/';//Mobile phone number    const REGEX_ Moblie_code = '/^\d{1,5}$/';//Mobile number International Code    const REGEX_EMAIL = '/^[_a-z0-9-]+ (\.[ _a-z0-9-]+) *@[a-z0-9-]+ (\.[ a-z0-9-]+) * (\.[ A-z]{2,}) $/';    Const Regex_email = '/^ (\w) + (\.\w+) *@ (\w) + ((\.\w+) +) $/';//email    const Regex_passwords = '/^[a-za-z0-9]{6,20}$ /';//password    const Regex_telephone = '/^ ((0\d{2,3})-) (\d{7,8}) $/';//Fixed phone}

PHP commonly used regular expression mailbox phone number what