isEmailValid(Stringemail, {String?message, String?emailValidationMessage = "Please enter valid email", String?emailValidationMessage2 = "Please enter valid email"})
→ String?
isPasswordValid(Stringpassword, {String?message, String?passwordLFormatMessage, int?passwordLength = 8, String?passwordValidationMessage = "Please enter valid password", String?passwordLengthValidationMessage = "Password should be at least 8 characters"})
→ String?
isPhoneNumberValid(StringphoneNumber, {String?message, int?numberLength = 10, String?numberValidationMessage = "Please enter valid phone number", String?numberValidationMessage2 = "Phone number should be 10 digits"})
→ String?