src/Composer/Repository/ArrayRepository.php
public function search($query, $mode = 0, $type = null)
    {
        $regex = '{(?:'.implode('|', preg_split('{\s+}', $query)).')}i';

        $matches = array();
        foreach ($this->getPackages() as $package) {
            $name = $package->getName();
            if (isset($matches[$name])) {
                continue;
            }
            if (preg_match($regex, $name)
                || ($mode === self::SEARCH_FULLTEXT && $package instanceof CompletePackageInterface && preg_match($regex, implode(' ', (array) $package->getKeywords()) . ' ' . $package->getDescription()))
            ) {
                if (null !== $type && $package->getType() !== $type) {
                    continue;
                }

                $matches[$name] = array(
                    'name' => $package->getPrettyName(),
                    'description' => $package instanceof CompletePackageInterface ? $package->getDescription() : null,
                );
            }
        }

        return array_values($matches);
    }
public function search($query, $mode = 0, $type = null)
    {
        $regex = '{(?:'.implode('|', preg_split('{\s+}', $query)).')}i';

        $matches = array();
        foreach ($this->getPackages() as $package) {
            $name = $package->getName();
            if (isset($matches[$name])) {
                continue;
            }
            if (preg_match($regex, $name)
                || ($mode === self::SEARCH_FULLTEXT && $package instanceof CompletePackageInterface && preg_match($regex, implode(' ', (array) $package->getKeywords()) . ' ' . $package->getDescription()))
            ) {
                if (null !== $type && $package->getType() !== $type) {
                    continue;
                }

                $matches[$name] = array(
                    'name' => $package->getPrettyName(),
                    'description' => $package instanceof CompletePackageInterface ? $package->getDescription() : null,
                );
            }
        }

        return array_values($matches);
    }
{@inheritDoc}