Passing a commented, multi-line (freespace) regex to preg_match

preg_match('
                ^J[0-9]{7}:s+
                (.*?)             #Extract the Transaction Start Date msg
                s+J[0-9]{7}:s+Projectsname:s+
                (.*?)             #Extract the Project Name
                    s+J[0-9]{7}:s+Jobsname:s+
                (.*?)             #Extract the Job Name
                s+J[0-9]{7}:s+
                ', $this->getResultVar('FullMessage'), $atmp);

preg_match("/
    test
/x", $foo, $bar);

preg_match('/
              ^J[0-9]{7}:s+
              (.*?)             #Extract the Transaction Start Date msg
              s+J[0-9]{7}:s+Projectsname:s+
              (.*?)             #Extract the Project Name
              s+J[0-9]{7}:s+Jobsname:s+
              (.*?)             #Extract the Job Name
              s+J[0-9]{7}:s+
            /x', $this->getResultVar('FullMessage'), $atmp);

preg_match('
            ^J[0-9]{7}:s+
            (.*?)             (?#Extract the Transaction Start Date msg)
            s+J[0-9]{7}:s+Projectsname:s+
            (.*?)             (?#Extract the Project Name)
                s+J[0-9]{7}:s+Jobsname:s+
            (.*?)             (?#Extract the Job Name)
            s+J[0-9]{7}:s+
            ', $this->getResultVar('FullMessage'), $atmp);

preg_match('
            ^J[0-9]{7}:s+
            (.*?)             (?#Extract the Transaction Start Date msg)
            s+J[0-9]{7}:s+Projectsname:s+
            (.*?)             (?#Extract the Project Name)
                s+J[0-9]{7}:s+Jobsname:s+
            (.*?)             (?#Extract the Job Name)
            s+J[0-9]{7}:s+
            ', $this->getResultVar('FullMessage'), $atmp);

preg_match(
                '/(?x)^J[0-9]{7}:s+
                (.*?)             #Extract the Transaction Start Date msg
                s+J[0-9]{7}:s+Projectsname:s+
                (.*?)             #Extract the Project Name
                s+J[0-9]{7}:s+Jobsname:s+
                (.*?)             #Extract the Job Name
                s+J[0-9]{7}:s+/'
                , $this->getResultVar('FullMessage'), $atmp);

preg_match('
                /(?x)^J[0-9]{7}:s+
                (.*?)             #Extract the Transaction Start Date msg
                s+J[0-9]{7}:s+Projectsname:s+
                (.*?)             #Extract the Project Name
                s+J[0-9]{7}:s+Jobsname:s+
                (.*?)             #Extract the Job Name
                s+J[0-9]{7}:s+/
           ', $this->getResultVar('FullMessage'), $atmp);