Regular Expressions 101

<!ELEMENT\s+ ((?'elname'\S+)\s+) ((?'rank'\d+)\s+)? (?'tagOmit' (?'start'[-oO])\s+ (?'end'[-oO])\s+ )? (?'content' (?'keyword'(ANY|EMPTY|CDATA|RDATA))| (?'contentGrp' \(.*\)[*+?]?) ) (?'exceptions' (\s+\-(?'exclusion'\(.+\)))? (\s+\+(?'inclusion'\(.+\)))? ) \s*>

gmx

Open regex in editor

Description

Parses an SGML <!ELEMENT ... >. Doesn't support name groups. Probably imperfect in other ways.

Note this is crafted for .Net as things get a little weird with # matching.

Submitted by Scott Bednar - 10 months ago

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Community Patterns

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Community Library Entry

Regular ExpressionPCRE2 (PHP >=7.3)

Description

Regular Expression
PCRE2 (PHP >=7.3)