Question

get_tag_regex( string $tag )

Return RegEx body to liberally match an opening HTML tag.

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description

Matches an opening HTML tag that:

1. Is self-closing or
2. Has no body but has a closing tag of the same name or
3. Contains a body and a closing tag of the same name

Note: this RegEx does not balance inner tags and does not attempt to produce valid HTML

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参数

$tag

(string) (Required) An HTML tag name. Example: 'video'.

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返回值

(string) Tag RegEx.

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源代码

File: wp-includes/functions.php

function get_tag_regex( $tag ) {
	if ( empty( $tag ) )
		return;
	return sprintf( '<%1$s[^<]*(?:>[\s\S]*<\/%1$s>|\s*\/>)', tag_escape( $tag ) );
}

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更新日志

Version	description
3.6.0	Introduced.

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相关函数

Uses

• wp-includes/formatting.php: tag_escape()

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User Contributed Notes