HTTPDemo/utils/string.go

package utils

import "regexp"

func IsValidEmail(email string) bool {
	pattern := `^[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,}$`
	matched, _ := regexp.MatchString(pattern, email)
	return matched
}

func IsValidDomain(domain string) bool {
	pattern := `^(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.)+[a-z0-9][a-z0-9-]{0,61}[a-z0-9]$`
	matched, _ := regexp.MatchString(pattern, domain)
	return matched
}