Email Checker Website Semrush ^new^ May 2026

// Format validation function validateFormat(email) const emailRegex = /^[^\s@]+@([^\s@.,]+.)+[^\s@.,]2,$/; return passed: emailRegex.test(email), message: emailRegex.test(email) ? 'Valid format' : 'Invalid email format' ;

.input-group margin-bottom: 30px;

input[type="email"] flex: 1; padding: 15px; border: 2px solid #e0e0e0; border-radius: 10px; font-size: 1rem; transition: all 0.3s; email checker website semrush

<div class="checks-grid" id="checksGrid"></div> return passed: emailRegex.test(email)

.example-btn padding: 8px 15px; background: #f3f4f6; color: #333; font-size: 0.9rem; .input-group margin-bottom: 30px

button:disabled opacity: 0.6; cursor: not-allowed;

.score-card background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%); border-radius: 15px; padding: 25px; margin-bottom: 25px; text-align: center;