support asterisk as an unnamed matching group

Author: blakeembrey

index.js

@@ -21,9 +21,10 @@ var PATH_REGEXP = new RegExp([
   // Match Express-style parameters and un-named parameters with a prefix
   // and optional suffixes. Matches appear as:
   //
-  // "/:test(\\d+)?" => ["/", "test", "\d+", undefined, "?"]
-  // "/route(\\d+)" => [undefined, undefined, undefined, "\d+", undefined]
-  '([\\/.])?(?:\\:(\\w+)(?:\\(((?:\\\\.|[^)])*)\\))?|\\(((?:\\\\.|[^)])*)\\))([+*?])?'
+  // "/:test(\\d+)?" => ["/", "test", "\d+", undefined, "?", undefined]
+  // "/route(\\d+)"  => [undefined, undefined, undefined, "\d+", undefined, undefined]
+  // "/*"            => ["/", undefined, undefined, undefined, undefined, "*"]
+  '([\\/.])?(?:(?:\\:(\\w+)(?:\\(((?:\\\\.|[^()])+)\\))?|\\(((?:\\\\.|[^()])+)\\))([+*?])?|(\\*))'
 ].join('|'), 'g')
 
 /**
@@ -63,18 +64,20 @@ function parse (str) {
     var capture = res[4]
     var group = res[5]
     var suffix = res[6]
+    var asterisk = res[7]
 
     var repeat = suffix === '+' || suffix === '*'
     var optional = suffix === '?' || suffix === '*'
     var delimiter = prefix || '/'
+    var pattern = capture || group || (asterisk ? '.*' : '[^' + delimiter + ']+?')
 
     tokens.push({
       name: name || key++,
       prefix: prefix || '',
       delimiter: delimiter,
       optional: optional,
       repeat: repeat,
-      pattern: escapeGroup(capture || group || '[^' + delimiter + ']+?')
+      pattern: escapeGroup(pattern)
     })
   }
 

test.js

@@ -1492,7 +1492,7 @@ var TESTS = [
     ]
   ],
   [
-    '/.+*?=^!:${}[]|',
+    '/.+\\*?=^!:${}[]|',
     null,
     [
       '/.+*?=^!:${}[]|'
@@ -1505,6 +1505,34 @@ var TESTS = [
     ]
   ],
 
+  /**
+   * Asterisk functionality.
+   */
+  [
+    '/*',
+    null,
+    [
+      {
+        name: 0,
+        prefix: '/',
+        delimiter: '/',
+        optional: false,
+        repeat: false,
+        pattern: '.*'
+      }
+    ],
+    [
+      ['', null],
+      ['/', ['/', '']],
+      ['/foo/bar', ['/foo/bar', 'foo/bar']]
+    ],
+    [
+      [null, null],
+      [{ '0': '' }, '/'],
+      [{ '0': 'foobar' }, '/foobar']
+    ]
+  ],
+
   /**
    * Random examples.
    */