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HTML attribute: pattern - HTML: HyperText Markup Language MDN
WebApr 5, 2024 · The pattern attribute is an attribute of the text, tel, email, url, password, and search input types. The pattern attribute, when specified, is a regular expression which … WebFeb 21, 2024 · The CSS ID selector matches an element based on the value of the element's id attribute. In order for the element to be selected, its id attribute must match exactly the value given in the selector. /* The element with id="demo" */ #demo { border: red 2px solid; } Syntax #id_value { style properties } WebJan 24, 2024 · Regular expressions are patterns used to match character combinations in strings. In JavaScript, regular expressions are also objects. Regex is also denoted as RegExp. They can be constructed using: The Regular Expression literal where the pattern is enclosed between two slashes. plckle soy sause garlic