regex101: PCRE2 (PHP) Match Workspace

Pro

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

phpthe literal text php (case insensitive)

Negative Lookahead(?!\S)

\Sany non-whitespace character

Group 1((?:(?!<\?php(?!\S)|\?>).)*\R[\s\S]*?)

Non-Capturing Group(?:(?!<\?php(?!\S)|\?>).)*

*repeats the group contents below any number of times:

Negative Lookahead(?!<\?php(?!\S)|\?>)

1st Alternative<\?php(?!\S)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

phpthe literal text php (case insensitive)

Negative Lookahead(?!\S)

\Sany non-whitespace character

2nd Alternative\?>

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

.any character (except for line terminators)

\Ra newline sequence

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

25 tokens

Regular Expression

<\?php(?!\S)((?:(?!<\?php(?!\S)|\?>).)*\R[\s\S]*?)\?>

New

Test number <?PHP echo($a);?> is here.

This is test number <?PHP echo($b);
$b = $a?> that expanded across multiple lines.

This is test number <?PHP
 echo($b);
$b = $a?> that expanded across multiple lines.

This is test number <?PHP
 $b = $a?> that expanded across multiple lines.

Extraction

Test number <?PHP echo($a);?> is here.

This is test number <?PHP echo($b);
$b = $a?> that expanded across multiple lines.

This is test number <?PHP
 echo($b);
$b = $a?> that expanded across multiple lines.

This is test number <?PHP
 $b = $a?> that expanded across multiple lines.