26 lines
648 B
PHP
26 lines
648 B
PHP
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>关键字标记测试</title>
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</head>
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<body>
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<form>
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<label for="email1">电子邮箱地址:</label>
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<input type="text" name="email" id="email1" required onblur="checkEmailFormat()">
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</form>
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<script>
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function checkEmailFormat(){
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var mail = document.getElementById('email1').value.trim();
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if(mail.length===0){
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return;
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}
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var regex = /^\S+@([a-zA-Z0-9\-])+(\.[a-zA-Z0-9-]+)+$/;
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if(regex.test(mail)){
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alert('匹配');
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}else {
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alert('不匹配');
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}
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}
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</script>
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</body> |