1package utils 2 3import "regexp" 4 5func IsEmailFormat(email string) bool { 6 pattern := `^[0-9a-z][_.0-9a-z-]{0,31}@([0-9a-z][0-9a-z-]{0,30}[0-9a-z]\.){1,4}[a-z]{2,4}$` 7 reg := regexp.MustCompile(pattern) 8 return reg.MatchString(email) 9} 10 11