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邮箱地址验证
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有效邮箱
验证详情
@ symbol
Contains @
Single @
Exactly one @
Local part
"user" (4 chars)
Local length
4/64 chars
Domain dot
Domain contains dot
TLD
TLD: .com
Domain chars
Valid domain characters
No double dots
No consecutive dots
Dot position
No leading/trailing dots
RFC 5322
Passes RFC 5322 pattern
测试示例
[email protected]
[email protected]
invalid@
@no-local.com
[email protected]
spaces
[email protected]