title: Regex to match ulimit within bracket portion
body: <p>Here is the output.</p>
  
  <pre>
  core file size          (blocks, -c) 0
  data seg size           (kbytes, -d) unlimited
  scheduling priority             (-e) 0
  file size               (blocks, -f) unlimited
  pending signals                 (-i) 104448
  max locked memory       (kbytes, -l) 32
  max memory size         (kbytes, -m) unlimited
  open files                      (-n) 1024
  pipe size            (512 bytes, -p) 8
  POSIX message queues     (bytes, -q) 819200
  real-time priority              (-r) 0
  stack size              (kbytes, -s) 10240
  cpu time               (seconds, -t) unlimited
  max user processes              (-u) 16320
  virtual memory          (kbytes, -v) unlimited
  file locks                      (-x) unlimited
  </pre>
  
  <p>I want to have a regex that matches all the (blocks, -c), (kbytes, -d), (-e) and so on... from each line.</p>