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<?php
declare(strict_types=1);
namespace MartinGeorgiev\Doctrine\ORM\Query\AST\Functions;
/**
* Implementation of PostgreSQL REGEXP_COUNT().
*
* Returns the number of times the POSIX regular expression pattern matches in the string.
* @see https://www.postgresql.org/docs/15/functions-matching.html#FUNCTIONS-POSIX-REGEXP
* @since 3.1
* @author Martin Georgiev <[email protected]>
* @example Using it in DQL: "SELECT REGEXP_COUNT(e.text, '\d\d\d', 1, 'i') FROM Entity e"
*/
class RegexpCount extends BaseVariadicFunction
{
protected function getNodeMappingPattern(): array
return [
'StringPrimary,StringPrimary,ArithmeticPrimary,StringPrimary',
'StringPrimary,StringPrimary,ArithmeticPrimary',
'StringPrimary,StringPrimary',
];
}
protected function getFunctionName(): string
return 'regexp_count';
protected function getMinArgumentCount(): int
return 2;
protected function getMaxArgumentCount(): int
return 4;