Regular Expressions 101

Community Library Entry

11

Regular Expression
PCRE (PHP <7.3)

@
(?(DEFINE) (?<next_open_tag> [^<]*+ (?i: <++[^<?s][^<]* | <++(?! \?php | \?= | script\s*language\s*=\s*([\'"]?)php\g{-1}\s*> ) [^<]* )*+ (?i: <++(?: \?php | \?= | [^>]+ ) | \z ) ) ) \A (?&next_open_tag) \K | [^'"`/#<?]*+ (?: '(?:[^'\\]+|\\.)*+' [^\'"`/#<?]* | "(?:[^"\\]+|\\.)*+" [^\'"`/#<?]* | `(?:[^`\\]+|\\.)*+` [^\'"`/#<?]* | /(?![/*]) [^\'"`/#<?]* # stop for // or /* | # if close tag ?> \? (?: >(?&next_open_tag)[^\'"`/#<?]* | ) | < (?: # heredoc or nowdoc <<[\ \t]*([\'"]?) ([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*) \g{-2}[\ \t]*[\r\n] (?-s:.*+[\r\n])*? \g{-1}[\r\n;] [^\'"`/#<?]* | (?i: /script\s*>) (?&next_open_tag) [^\'"`/#<?]* | [^\'"`/#<?]* ) )*+ \K (?: (?://|\#)(?:[^\n?]+|\?(?!>))*+ # single line comment // и # | /\*(?:[^*]+|\*(?!/))*+\*/ # multi line comment /* */ )?
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xsg

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Submitted by anonymous - 9 years ago