src/Viserio/Component/Console/Command/ExpressionParser.php
public static function parse(string $expression): array
    {
        \preg_match_all('/^\S*|(\[\s*(.*?)\]|[[:alnum:]_-]+\=\*|[[:alnum:]_-]+\?|[[:alnum:]_-]+|-+[[:alnum:]_\-=*]+)/', $expression, $matches);

        if (\trim($expression) === '') {
            throw new InvalidCommandExpression('The expression was empty.');
        }

        $tokens    = \array_values(\array_filter(\array_map('trim', $matches[0])));
        $name      = \array_shift($tokens);
        $arguments = [];
        $options   = [];

        foreach ($tokens as $token) {
            if (self::startsWith($token, '--')) {
                throw new InvalidCommandExpression('An option must be enclosed by brackets: [--option].');
            }

            if (self::isOption($token)) {
                $options[] = self::parseOption($token);
            } else {
                $arguments[] = self::parseArgument($token);
            }
        }

        return [
            'name'      => $name,
            'arguments' => $arguments,
            'options'   => $options,
        ];
    }
public static function parse(string $expression): array
    {
        \preg_match_all('/^\S*|(\[\s*(.*?)\]|[[:alnum:]_-]+\=\*|[[:alnum:]_-]+\?|[[:alnum:]_-]+|-+[[:alnum:]_\-=*]+)/', $expression, $matches);

        if (\trim($expression) === '') {
            throw new InvalidCommandExpression('The expression was empty.');
        }

        $tokens    = \array_values(\array_filter(\array_map('trim', $matches[0])));
        $name      = \array_shift($tokens);
        $arguments = [];
        $options   = [];

        foreach ($tokens as $token) {
            if (self::startsWith($token, '--')) {
                throw new InvalidCommandExpression('An option must be enclosed by brackets: [--option].');
            }

            if (self::isOption($token)) {
                $options[] = self::parseOption($token);
            } else {
                $arguments[] = self::parseArgument($token);
            }
        }

        return [
            'name'      => $name,
            'arguments' => $arguments,
            'options'   => $options,
        ];
    }
Parse given command string.

@param string $expression

@throws \Viserio\Component\Contract\Console\Exception\InvalidCommandExpression

@return array