function Connection::sqlFunctionRegexp

SQLite compatibility implementation for the REGEXP SQL operator.

The REGEXP operator is natively known, but not implemented by default.

See also

http://www.sqlite.org/lang_expr.html#regexp

File

core/modules/sqlite/src/Driver/Database/sqlite/Connection.php, line 321

Class

Connection

SQLite implementation of <a href="/api/drupal/core%21lib%21Drupal%21Core%21Database%21Connection.php/class/Connection/11.x" title="Base Database API class." class="local">\Drupal\Core\Database\Connection</a>.

Namespace

Code

public static function sqlFunctionRegexp($pattern, $subject) {
    // preg_quote() cannot be used here, since $pattern may contain reserved
    // regular expression characters already (such as ^, $, etc). Therefore,
    // use a rare character as PCRE delimiter.
    $pattern = '#' . addcslashes($pattern, '#') . '#i';
    return preg_match($pattern, $subject);
}