Prevent Encoding Of Existing Html Entities (Convert & To &Amp

Description

The HTML character encoder converts all applicable characters lớn their corresponding HTML entities. Certain characters have special significance in HTML & should be converted lớn their correct HTML entities lớn preserve their meanings. For example, it is not possible to lớn use the character as it is used in the HTML syntax lớn create and close tags. It must be converted lớn its corresponding HTML entity lớn be displayed in the nội dung of an HTML page. HTML entity names are case sensitive.

Reserved entities, symbols và characters in HTML

This table shows a các mục of reserved HTML entities with their associated character and description.

Code samples

Most programming languages provide a way to convert HTML entities to their associated character và vice-versa.

htmlentities (PHP 4, PHP 5)

Convert all applicable characters khổng lồ HTML entities.

HttpUtility.HtmlEncode Method (String) .NET Framework 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

Converts a string to lớn an HTML-encoded string.

public static string HtmlEncode( string s ) HTML encoding converts characters that are not allowed in HTML into character-entity equivalents; HTML decoding reverses the encoding. For example, when embedded in a block of text, the characters và > are encoded as và > for HTTP transmission.

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Wikipedia: Character entity reference

In the markup languages SGML, HTML, XHTML & XML, a character entity reference is a reference to lớn a particular kind of named entity that has been predefined or explicitly declared in a Document Type Definition (DTD). The "replacement text" of the entity consists of a single character from the Universal Character Set/Unicode. The purpose of a character entity reference is to provide a way to refer khổng lồ a character that is not universally encodable.Bạn đang xem: Unicode to html entities converter