自从2009年10月,互联网名称与数字地址分配机构(ICANN)批准了使用本地语言脚本的国家代码顶级域名(ccTLDs)的创建。
我们过去只验证a-zA-Z。但现在,我想验证Unicode电子邮件,例如中文电子邮件
我@在.中国
或其他语言。如何通过RegExp验证它们?
自从2009年10月,互联网名称与数字地址分配机构(ICANN)批准了使用本地语言脚本的国家代码顶级域名(ccTLDs)的创建。
我们过去只验证a-zA-Z。但现在,我想验证Unicode电子邮件,例如中文电子邮件
我@在.中国
或其他语言。如何通过RegExp验证它们?
这是我为了最大限度支持Unicode和合理地遵守RFC标准而编写的验证正则表达式。
JS:
/^(?!\.)((?!.*\.{2})[a-zA-Z0-9\u0080-\u00FF\u0100-\u017F\u0180-\u024F\u0250-\u02AF\u0300-\u036F\u0370-\u03FF\u0400-\u04FF\u0500-\u052F\u0530-\u058F\u0590-\u05FF\u0600-\u06FF\u0700-\u074F\u0750-\u077F\u0780-\u07BF\u07C0-\u07FF\u0900-\u097F\u0980-\u09FF\u0A00-\u0A7F\u0A80-\u0AFF\u0B00-\u0B7F\u0B80-\u0BFF\u0C00-\u0C7F\u0C80-\u0CFF\u0D00-\u0D7F\u0D80-\u0DFF\u0E00-\u0E7F\u0E80-\u0EFF\u0F00-\u0FFF\u1000-\u109F\u10A0-\u10FF\u1100-\u11FF\u1200-\u137F\u1380-\u139F\u13A0-\u13FF\u1400-\u167F\u1680-\u169F\u16A0-\u16FF\u1700-\u171F\u1720-\u173F\u1740-\u175F\u1760-\u177F\u1780-\u17FF\u1800-\u18AF\u1900-\u194F\u1950-\u197F\u1980-\u19DF\u19E0-\u19FF\u1A00-\u1A1F\u1B00-\u1B7F\u1D00-\u1D7F\u1D80-\u1DBF\u1DC0-\u1DFF\u1E00-\u1EFF\u1F00-\u1FFF\u20D0-\u20FF\u2100-\u214F\u2C00-\u2C5F\u2C60-\u2C7F\u2C80-\u2CFF\u2D00-\u2D2F\u2D30-\u2D7F\u2D80-\u2DDF\u2F00-\u2FDF\u2FF0-\u2FFF\u3040-\u309F\u30A0-\u30FF\u3100-\u312F\u3130-\u318F\u3190-\u319F\u31C0-\u31EF\u31F0-\u31FF\u3200-\u32FF\u3300-\u33FF\u3400-\u4DBF\u4DC0-\u4DFF\u4E00-\u9FFF\uA000-\uA48F\uA490-\uA4CF\uA700-\uA71F\uA800-\uA82F\uA840-\uA87F\uAC00-\uD7AF\uF900-\uFAFF\.!#$%&'*+-/=?^_`{|}~\-\d]+)@(?!\.)([a-zA-Z0-9\u0080-\u00FF\u0100-\u017F\u0180-\u024F\u0250-\u02AF\u0300-\u036F\u0370-\u03FF\u0400-\u04FF\u0500-\u052F\u0530-\u058F\u0590-\u05FF\u0600-\u06FF\u0700-\u074F\u0750-\u077F\u0780-\u07BF\u07C0-\u07FF\u0900-\u097F\u0980-\u09FF\u0A00-\u0A7F\u0A80-\u0AFF\u0B00-\u0B7F\u0B80-\u0BFF\u0C00-\u0C7F\u0C80-\u0CFF\u0D00-\u0D7F\u0D80-\u0DFF\u0E00-\u0E7F\u0E80-\u0EFF\u0F00-\u0FFF\u1000-\u109F\u10A0-\u10FF\u1100-\u11FF\u1200-\u137F\u1380-\u139F\u13A0-\u13FF\u1400-\u167F\u1680-\u169F\u16A0-\u16FF\u1700-\u171F\u1720-\u173F\u1740-\u175F\u1760-\u177F\u1780-\u17FF\u1800-\u18AF\u1900-\u194F\u1950-\u197F\u1980-\u19DF\u19E0-\u19FF\u1A00-\u1A1F\u1B00-\u1B7F\u1D00-\u1D7F\u1D80-\u1DBF\u1DC0-\u1DFF\u1E00-\u1EFF\u1F00-\u1FFF\u20D0-\u20FF\u2100-\u214F\u2C00-\u2C5F\u2C60-\u2C7F\u2C80-\u2CFF\u2D00-\u2D2F\u2D30-\u2D7F\u2D80-\u2DDF\u2F00-\u2FDF\u2FF0-\u2FFF\u3040-\u309F\u30A0-\u30FF\u3100-\u312F\u3130-\u318F\u3190-\u319F\u31C0-\u31EF\u31F0-\u31FF\u3200-\u32FF\u3300-\u33FF\u3400-\u4DBF\u4DC0-\u4DFF\u4E00-\u9FFF\uA000-\uA48F\uA490-\uA4CF\uA700-\uA71F\uA800-\uA82F\uA840-\uA87F\uAC00-\uD7AF\uF900-\uFAFF\-\.\d]+)((\.([a-zA-Z\u0080-\u00FF\u0100-\u017F\u0180-\u024F\u0250-\u02AF\u0300-\u036F\u0370-\u03FF\u0400-\u04FF\u0500-\u052F\u0530-\u058F\u0590-\u05FF\u0600-\u06FF\u0700-\u074F\u0750-\u077F\u0780-\u07BF\u07C0-\u07FF\u0900-\u097F\u0980-\u09FF\u0A00-\u0A7F\u0A80-\u0AFF\u0B00-\u0B7F\u0B80-\u0BFF\u0C00-\u0C7F\u0C80-\u0CFF\u0D00-\u0D7F\u0D80-\u0DFF\u0E00-\u0E7F\u0E80-\u0EFF\u0F00-\u0FFF\u1000-\u109F\u10A0-\u10FF\u1100-\u11FF\u1200-\u137F\u1380-\u139F\u13A0-\u13FF\u1400-\u167F\u1680-\u169F\u16A0-\u16FF\u1700-\u171F\u1720-\u173F\u1740-\u175F\u1760-\u177F\u1780-\u17FF\u1800-\u18AF\u1900-\u194F\u1950-\u197F\u1980-\u19DF\u19E0-\u19FF\u1A00-\u1A1F\u1B00-\u1B7F\u1D00-\u1D7F\u1D80-\u1DBF\u1DC0-\u1DFF\u1E00-\u1EFF\u1F00-\u1FFF\u20D0-\u20FF\u2100-\u214F\u2C00-\u2C5F\u2C60-\u2C7F\u2C80-\u2CFF\u2D00-\u2D2F\u2D30-\u2D7F\u2D80-\u2DDF\u2F00-\u2FDF\u2FF0-\u2FFF\u3040-\u309F\u30A0-\u30FF\u3100-\u312F\u3130-\u318F\u3190-\u319F\u31C0-\u31EF\u31F0-\u31FF\u3200-\u32FF\u3300-\u33FF\u3400-\u4DBF\u4DC0-\u4DFF\u4E00-\u9FFF\uA000-\uA48F\uA490-\uA4CF\uA700-\uA71F\uA800-\uA82F\uA840-\uA87F\uAC00-\uD7AF\uF900-\uFAFF]){2,63})+)$/i
PHP:
/^(?!\.)((?!.*\.{2})[a-zA-Z0-9\x{0080}-\x{00FF}\x{0100}-\x{017F}\x{0180}-\x{024F}\x{0250}-\x{02AF}\x{0300}-\x{036F}\x{0370}-\x{03FF}\x{0400}-\x{04FF}\x{0500}-\x{052F}\x{0530}-\x{058F}\x{0590}-\x{05FF}\x{0600}-\x{06FF}\x{0700}-\x{074F}\x{0750}-\x{077F}\x{0780}-\x{07BF}\x{07C0}-\x{07FF}\x{0900}-\x{097F}\x{0980}-\x{09FF}\x{0A00}-\x{0A7F}\x{0A80}-\x{0AFF}\x{0B00}-\x{0B7F}\x{0B80}-\x{0BFF}\x{0C00}-\x{0C7F}\x{0C80}-\x{0CFF}\x{0D00}-\x{0D7F}\x{0D80}-\x{0DFF}\x{0E00}-\x{0E7F}\x{0E80}-\x{0EFF}\x{0F00}-\x{0FFF}\x{1000}-\x{109F}\x{10A0}-\x{10FF}\x{1100}-\x{11FF}\x{1200}-\x{137F}\x{1380}-\x{139F}\x{13A0}-\x{13FF}\x{1400}-\x{167F}\x{1680}-\x{169F}\x{16A0}-\x{16FF}\x{1700}-\x{171F}\x{1720}-\x{173F}\x{1740}-\x{175F}\x{1760}-\x{177F}\x{1780}-\x{17FF}\x{1800}-\x{18AF}\x{1900}-\x{194F}\x{1950}-\x{197F}\x{1980}-\x{19DF}\x{19E0}-\x{19FF}\x{1A00}-\x{1A1F}\x{1B00}-\x{1B7F}\x{1D00}-\x{1D7F}\x{1D80}-\x{1DBF}\x{1DC0}-\x{1DFF}\x{1E00}-\x{1EFF}\x{1F00}-\x{1FFF}\x{20D0}-\x{20FF}\x{2100}-\x{214F}\x{2C00}-\x{2C5F}\x{2C60}-\x{2C7F}\x{2C80}-\x{2CFF}\x{2D00}-\x{2D2F}\x{2D30}-\x{2D7F}\x{2D80}-\x{2DDF}\x{2F00}-\x{2FDF}\x{2FF0}-\x{2FFF}\x{3040}-\x{309F}\x{30A0}-\x{30FF}\x{3100}-\x{312F}\x{3130}-\x{318F}\x{3190}-\x{319F}\x{31C0}-\x{31EF}\x{31F0}-\x{31FF}\x{3200}-\x{32FF}\x{3300}-\x{33FF}\x{3400}-\x{4DBF}\x{4DC0}-\x{4DFF}\x{4E00}-\x{9FFF}\x{A000}-\x{A48F}\x{A490}-\x{A4CF}\x{A700}-\x{A71F}\x{A800}-\x{A82F}\x{A840}-\x{A87F}\x{AC00}-\x{D7AF}\x{F900}-\x{FAFF}\.!#$%&'*+-\/=?^_`{|}~\-\d]+)@(?!\.)([a-zA-Z0-9\x{0080}-\x{00FF}\x{0100}-\x{017F}\x{0180}-\x{024F}\x{0250}-\x{02AF}\x{0300}-\x{036F}\x{0370}-\x{03FF}\x{0400}-\x{04FF}\x{0500}-\x{052F}\x{0530}-\x{058F}\x{0590}-\x{05FF}\x{0600}-\x{06FF}\x{0700}-\x{074F}\x{0750}-\x{077F}\x{0780}-\x{07BF}\x{07C0}-\x{07FF}\x{0900}-\x{097F}\x{0980}-\x{09FF}\x{0A00}-\x{0A7F}\x{0A80}-\x{0AFF}\x{0B00}-\x{0B7F}\x{0B80}-\x{0BFF}\x{0C00}-\x{0C7F}\x{0C80}-\x{0CFF}\x{0D00}-\x{0D7F}\x{0D80}-\x{0DFF}\x{0E00}-\x{0E7F}\x{0E80}-\x{0EFF}\x{0F00}-\x{0FFF}\x{1000}-\x{109F}\x{10A0}-\x{10FF}\x{1100}-\x{11FF}\x{1200}-\x{137F}\x{1380}-\x{139F}\x{13A0}-\x{13FF}\x{1400}-\x{167F}\x{1680}-\x{169F}\x{16A0}-\x{16FF}\x{1700}-\x{171F}\x{1720}-\x{173F}\x{1740}-\x{175F}\x{1760}-\x{177F}\x{1780}-\x{17FF}\x{1800}-\x{18AF}\x{1900}-\x{194F}\x{1950}-\x{197F}\x{1980}-\x{19DF}\x{19E0}-\x{19FF}\x{1A00}-\x{1A1F}\x{1B00}-\x{1B7F}\x{1D00}-\x{1D7F}\x{1D80}-\x{1DBF}\x{1DC0}-\x{1DFF}\x{1E00}-\x{1EFF}\x{1F00}-\x{1FFF}\x{20D0}-\x{20FF}\x{2100}-\x{214F}\x{2C00}-\x{2C5F}\x{2C60}-\x{2C7F}\x{2C80}-\x{2CFF}\x{2D00}-\x{2D2F}\x{2D30}-\x{2D7F}\x{2D80}-\x{2DDF}\x{2F00}-\x{2FDF}\x{2FF0}-\x{2FFF}\x{3040}-\x{309F}\x{30A0}-\x{30FF}\x{3100}-\x{312F}\x{3130}-\x{318F}\x{3190}-\x{319F}\x{31C0}-\x{31EF}\x{31F0}-\x{31FF}\x{3200}-\x{32FF}\x{3300}-\x{33FF}\x{3400}-\x{4DBF}\x{4DC0}-\x{4DFF}\x{4E00}-\x{9FFF}\x{A000}-\x{A48F}\x{A490}-\x{A4CF}\x{A700}-\x{A71F}\x{A800}-\x{A82F}\x{A840}-\x{A87F}\x{AC00}-\x{D7AF}\x{F900}-\x{FAFF}\-\.\d]+)((\.([a-zA-Z\x{0080}-\x{00FF}\x{0100}-\x{017F}\x{0180}-\x{024F}\x{0250}-\x{02AF}\x{0300}-\x{036F}\x{0370}-\x{03FF}\x{0400}-\x{04FF}\x{0500}-\x{052F}\x{0530}-\x{058F}\x{0590}-\x{05FF}\x{0600}-\x{06FF}\x{0700}-\x{074F}\x{0750}-\x{077F}\x{0780}-\x{07BF}\x{07C0}-\x{07FF}\x{0900}-\x{097F}\x{0980}-\x{09FF}\x{0A00}-\x{0A7F}\x{0A80}-\x{0AFF}\x{0B00}-\x{0B7F}\x{0B80}-\x{0BFF}\x{0C00}-\x{0C7F}\x{0C80}-\x{0CFF}\x{0D00}-\x{0D7F}\x{0D80}-\x{0DFF}\x{0E00}-\x{0E7F}\x{0E80}-\x{0EFF}\x{0F00}-\x{0FFF}\x{1000}-\x{109F}\x{10A0}-\x{10FF}\x{1100}-\x{11FF}\x{1200}-\x{137F}\x{1380}-\x{139F}\x{13A0}-\x{13FF}\x{1400}-\x{167F}\x{1680}-\x{169F}\x{16A0}-\x{16FF}\x{1700}-\x{171F}\x{1720}-\x{173F}\x{1740}-\x{175F}\x{1760}-\x{177F}\x{1780}-\x{17FF}\x{1800}-\x{18AF}\x{1900}-\x{194F}\x{1950}-\x{197F}\x{1980}-\x{19DF}\x{19E0}-\x{19FF}\x{1A00}-\x{1A1F}\x{1B00}-\x{1B7F}\x{1D00}-\x{1D7F}\x{1D80}-\x{1DBF}\x{1DC0}-\x{1DFF}\x{1E00}-\x{1EFF}\x{1F00}-\x{1FFF}\x{20D0}-\x{20FF}\x{2100}-\x{214F}\x{2C00}-\x{2C5F}\x{2C60}-\x{2C7F}\x{2C80}-\x{2CFF}\x{2D00}-\x{2D2F}\x{2D30}-\x{2D7F}\x{2D80}-\x{2DDF}\x{2F00}-\x{2FDF}\x{2FF0}-\x{2FFF}\x{3040}-\x{309F}\x{30A0}-\x{30FF}\x{3100}-\x{312F}\x{3130}-\x{318F}\x{3190}-\x{319F}\x{31C0}-\x{31EF}\x{31F0}-\x{31FF}\x{3200}-\x{32FF}\x{3300}-\x{33FF}\x{3400}-\x{4DBF}\x{4DC0}-\x{4DFF}\x{4E00}-\x{9FFF}\x{A000}-\x{A48F}\x{A490}-\x{A4CF}\x{A700}-\x{A71F}\x{A800}-\x{A82F}\x{A840}-\x{A87F}\x{AC00}-\x{D7AF}\x{F900}-\x{FAFF}]){2,63})+)$/u
a-zA-Z0-9
(字母和数字)!#$%&'*+-/=?^_`{|}~
(特殊字符)(),:;<>@[]
(必须用引号括起来)
.
(点号不能是第一个或最后一个字符,也不能连续出现)\
(必须在反斜杠前面加上反斜杠)
"
(必须在反斜杠前面加上反斜杠)
有关RFC标准的详细信息,请参见http://en.wikipedia.org/wiki/E-mail_address#Syntax。那里详细的大多数逻辑都得到了支持。以上的JSFiddle链接包含一些额外的文档和其他便利站点的链接。
编辑:上面的答案是指旧的IDNA标准,已被RFC 5890等取代。后者是基于包含的,但仍然太复杂,无法使用正则表达式验证域名。
试试这个:
\u0900-\u097F\u0980-\u09FF\u0A00-\u0A7F\u0A80-\u0AFF\u0B00-\u0B7F\u0B80-\u0BFF\u0C00-\u0C7F\u0C80-\u0CFF\u0D00-\u0D7F\u0D80-\u0DFF\u0E00-\u0E7F\u0E80-\u0EFF\u0F00-\u0FFF\u1000-\u109F\u1700-\u171F\u1720-\u173F\u1740-\u175F\u1760-\u177F\u1780-\u17FF\u1900-\u194F\u1950-\u197F\u1980-\u19DF\u19E0-\u19FF\u1A00-\u1A1F\u1A20-\u1AAF\u1B00-\u1B7F\u1B80-\u1BBF\u1BC0-\u1BFF\u1C00-\u1C4F\u1CC0-\u1CCF\uA800-\uA82F\uA840-\uA87F\uA880-\uA8DF\uA8E0-\uA8FF\uA930-\uA95F\uA980-\uA9DF\uA9E0-\uA9FF\uAA00-\uAA5F\uAA60-\uAA7F\uAA80-\uAADF\uAAE0-\uAAFF\uABC0-\uABFF\u0600-\u06FF\u0750–\u077F\u08A0–\u08FF\uFB50–\uFDFF\uFE70–\uFEFF\u4e00-\u9faf\u0D80-\u0DFF\u0E80-\u0EFF]/)!=null}e.exports=a}),null);
a-zA-Z
。为什么不相信用户输入正确的地址呢? - Carl Norum