regex101: PCRE2 (PHP) Match Workspace

1st Alternative\/\*.*?\*\/(*SKIP)^

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

.*?any character, repeated any number of times

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

^start of line

2nd Alternative\/\/.*?$(*SKIP)^

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

.*?any character, repeated any number of times

$end of line

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

^start of line

3rd Alternative'(?>\\?.)*?'(*SKIP)^

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Atomic Group(?>\\?.)*?

*?repeats the group contents below any number of times:

\\?optionally matches the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character

'the literal ' (39₁₀ / 47₈ / 27₁₆)

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

^start of line

4th Alternative"(?>\\?.)*?"

"the literal " (34₁₀ / 42₈ / 22₁₆)

Atomic Group(?>\\?.)*?

*?repeats the group contents below any number of times:

\\?optionally matches the literal \ (92₁₀ / 134₈ / 5C₁₆)

.any character

"the literal " (34₁₀ / 42₈ / 22₁₆)

Global pattern flags

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

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

s modifier: single line. Allows a dot to match line terminators

Search reference

Regular Expression

\/\*.*?\*\/(*SKIP)^|\/\/.*?$(*SKIP)^|'(?>\\?.)*?'(*SKIP)^|"(?>\\?.)*?"

New

$str = "this is something";
$str = "this is {$another}";
$str = "could be {$hello['world']}";
$str = "and $hello[world] another";
$str = "building <div style=\"width: 100%\" data-var=\"{$var}\"></div>";
$str = '<elem prop="' . $var . '">';
$str = '<div class="my-class ' . $my_var_class . ' my-other-class">';
$str = "'single quotes in double quotes'";
$str = '"double quotes in single quotes"';
$xml .= " <$schemaPrefix:import location=\"" . $ii['location'] . '" namespace="' . $ns . "\" />\n";
// this is it's own comment with an apostrophe
$str = "'single quote'"; $str = '"double quote"';
/* comment's apostrophe */ $str = "'single quote'"; $str = '"double quote"';
/* comment's apostrophe */ $str = '"double quote"'; $str = "'single quote'";
$str = '"double quote\'d apostrophe"';
$str = "double quote'd apostrophe"; $str = "'single quote'"; $str = '"double quote"';
$str = "double quote'd apostrophe"; $str = '"double quote"'; $str = "'single quote'";
// this is it"s own comment with a double quote
$str = "'single quote'"; $str = '"double quote"';
/* comment"s 2 quote */ $str = "'single quote'"; $str = '"double quote"';
/* comment"s 2 quote */ $str = '"double quote"'; $str = "'single quote'";
$str = '"double quote\'d apostrophe"';
$str = "double quote'd apostrophe"; $str = "'single quote'"; $str = '"double quote"';
$str = "double quote'd apostrophe"; $str = '"double quote"'; $str = "'single quote'";

Regular Expressions 101

Regular Expression

Extraction