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mb_ereg_search_regs

Description

Returns the matched part of a multibyte regular expression

Syntax

mb_ereg_search_regs(
    ?string $pattern = null,
    ?string $options = null
): array|false

Parameters

pattern

The search pattern.

options

The search option.

OptionDescription
iAmbiguity match on
xEnables extended pattern form
m'.' matches with newlines
s'^' -> '\A', '$' -> '\Z'
pSame as both the m and s options
lFinds longest matches
nIgnores empty matches

Return

Executes the multibyte regular expression match, and if there are some matched part, it returns an array including substring of matched part as first element, the first grouped part with brackets as second element, the second grouped part as third element, and so on. It returns false on error.

Examples

1 · void

<?

$string = '🐘string';
$pattern = '🐘(st(r(i)ng))';

mb_ereg_search_init($string, $pattern);

$return = mb_ereg_search_regs();

var_export($return);

?>
array (
  0 => '🐘string',
  1 => 'string',
  2 => 'ring',
  3 => 'i',
)

2 · pattern

<?

$string = '🐘string';

mb_ereg_search_init($string);

$pattern = '🐘(st(r(i)ng))';

$return = mb_ereg_search_regs($pattern);

var_export($return);

?>
array (
  0 => '🐘string',
  1 => 'string',
  2 => 'ring',
  3 => 'i',
)

3 · options · i

<?

$string = '🐘string';

mb_ereg_search_init($string);

$pattern = '🐘STRING';
$options = 'i';

$return = mb_ereg_search_regs($pattern, $options);

var_export($return);

?>
array (
  0 => '🐘string',
)

4 · options · x

<?

$string = '🐘string';

mb_ereg_search_init($string);

$pattern = '🐘 s t r i n g';
$options = 'x';

$return = mb_ereg_search_regs($pattern, $options);

var_export($return);

?>
array (
  0 => '🐘string',
)

5 · options · m

<?

$string = '
🐘string';

mb_ereg_search_init($string);

$pattern = '.🐘string';
$options = 'm';

$return = mb_ereg_search_regs($pattern, $options);

var_export($return);

?>
array (
  0 => '
🐘string',
)

6 · options · s

<?

$string = '🐘string';

mb_ereg_search_init($string);

$pattern = '^🐘string$';
$options = 's';

$return = mb_ereg_search_regs($pattern, $options);

var_export($return);

?>
array (
  0 => '🐘string',
)

7 · options · p

<?

$string = '
🐘string';

mb_ereg_search_init($string);

$pattern = '^.🐘string$';
$options = 'p';

$return = mb_ereg_search_regs($pattern, $options);

var_export($return);

?>
array (
  0 => '
🐘string',
)

8 · options · l

<?

$string = '🐘stringtring';

mb_ereg_search_init($string);

$pattern = '🐘.*tring';
$options = 'l';

$return = mb_ereg_search_regs($pattern, $options);

var_export($return);

?>
array (
  0 => '🐘stringtring',
)

9 · options · n

<?

$string = '🐘string';

mb_ereg_search_init($string);

$pattern = '';
$options = 'n';

$return = mb_ereg_search_regs($pattern, $options);

var_export($return);

?>
false
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