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I am new to HTML,can any one please help me to validate a phone number only with '+' and numeric values and phone number shud not exceed 13 numbers,and to validate email with a '@' and a '.',I dont want to use javascript
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The <input type="tel"> defines a field for entering a telephone number. Note: Browsers that do not support "tel" fall back to being a standard "text" input. Tip: Always add the <label> tag for best accessibility practices!
Validate a Phone Number Using a JavaScript Regex and HTMLfunction validatePhoneNumber(input_str) { var re = /^\(?(\d{3})\)?[- ]?(\d{3})[- ]?(\d{4})$/; return re. test(input_str); } function validateForm(event) { var phone = document.
Allow a leading “1” In addition to the phone number formats shown previously, this regular expression will also match strings such as +1 (123) 456-7890 and 1-123-456-7890 . It uses a noncapturing group, written as ‹ (?:⋯) ›.
The simplest HTML validation feature is the required attribute. To make an input mandatory, add this attribute to the element. When this attribute is set, the element matches the :required UI pseudo-class and the form won't submit, displaying an error message on submission when the input is empty.
In HTML5 you can use <input type='tel'> and <input type='email'>
You can also specify a specific pattern like <input type='tel' pattern='[\+]\d{2}[\(]\d{2}[\)]\d{4}[\-]\d{4}' title='Phone Number (Format: +99(99)9999-9999)'>
Something like pattern='^\+?\d{0,13}' Would give you an optional + and up to 13 digits
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