result.txt

# /
array
  'action' => string 'mypage' (length=6)
  'parameters' => 
    array
      empty

# /projects
array
  'action' => string 'projects' (length=8)
  'parameters' => 
    array
      empty

# /projects/pwango
array
  'action' => string 'show_project' (length=12)
  'parameters' => 
    array
      'name' => string 'pwango' (length=6)

urls.php

<?php
$urls = array(

  array('^$', 'mypage'),
  array('^/projects$', 'projects'),
  array('^/projects/(?P<name>\w+)', 'show_project'),

);