diff --git a/package.json b/package.json
index b3e71b0..f40e0c4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "semver-utils",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "Tools for manipulating semver strings and objects",
   "main": "semver-utils.js",
   "scripts": {
diff --git a/semver-utils-tools.js b/semver-utils-test.js
similarity index 67%
rename from semver-utils-tools.js
rename to semver-utils-test.js
index f1faa5a..9bfa0a2 100644
--- a/semver-utils-tools.js
+++ b/semver-utils-test.js
@@ -1,17 +1,39 @@
 (function () {
-  var semverutils = require('semver-utils')
+  var semverutils = require('./semver-utils')
     ;
 
   function testParseRange() {
-    var str = '~1.0.0 || >= 1.1.7 < 2.0.0+build.1848 || v1.1.3 || 2.0.1-alpha.1227 || 1.0.0 - 1.0.x'
+    console.info('testParseRange');
+    var good =
+        [ 'v1.0.0'
+        , '< v2.0.0'
+        , '~v2.0.0'
+        , '~1.0.0'
+        , '~1.0.0 || >= 1.1.7 < 2.0.0+build.1848'
+        , '~1.0.0 || >= 1.1.7 < 2.0.0+build.1848 || v1.1.3'
+        , '~1.0.0 || >= 1.1.7 < 2.0.0+build.1848 || v1.1.3 || 2.0.1-alpha.1227'
+        , '~1.0.0 || >= 1.1.7 < 2.0.0+build.1848 || v1.1.3 || 2.0.1-alpha.1227 || 1.0.0 - 1.0.x'
+        , '~1.0.0 || >= 1.1.7 < 2.0.0+build.1848 || v1.1.3 || 2.0.1-alpha.1227 || 1.0.0 - 1.0.x || 1.*'
+        ]
       ;
-    console.log(semverutils.parseRange(str));
-    console.log(semverutils.parseRange('v1.0.0'));
-    console.log(semverutils.parseRange('< v2.0.0'));
-    console.log(semverutils.parseRange('~v2.0.0'));
+
+    good.every(function (range) {
+      var result = semverutils.parseRange(range)
+        ;
+   
+      if (!result || 0 === result.length) {
+        throw new Error("didn't parse something that should be parseable: " + range);
+      }
+   
+      return true;
+    });
+
+    console.log(good[good.length - 1]);
+    console.log(semverutils.stringifyRange(semverutils.parseRange(good[good.length - 1])));
   }
 
   function testParse() {
+    console.info('testParse');
     var good
       , bad
       ;
@@ -43,7 +65,7 @@
     ];
    
     bad = [
-        "v1.0.0"
+      //  "v1.0.0" now allows optional 'v'
       , "a.b.c"
       , "1"
       , "1.0.0b"
diff --git a/semver-utils.js b/semver-utils.js
index 29975f0..e6a5a39 100644
--- a/semver-utils.js
+++ b/semver-utils.js
@@ -1,8 +1,14 @@
 (function () {
   "use strict";
 
-  var reSemver = /^((\d+)\.(\d+)\.(\d+))(?:-([\dA-Za-z\-]+(?:\.[\dA-Za-z\-]+)*))?(?:\+([\dA-Za-z\-]+(?:\.[\dA-Za-z\-]+)*))?$/
-    , reSemverRange = /\s*((\|\||\-)|(([<>~]?=?)\s*(v)?([0-9]+)(\.(x|[0-9]+))?(\.(x|[0-9]+))?(([\-+])([a-zA-Z0-9\.]+))?))\s*/g
+  // TODO break these down into escaped strings with meaningful comments and create using new RegExp()
+  //               |optional 'v'
+  //               | | 3 segment version
+  //               | |                    |optional release prefixed by '-'
+  //               | |                    |                                        |optional build prefixed by '+'
+  var reSemver = /^v?((\d+)\.(\d+)\.(\d+))(?:-([\dA-Za-z\-]+(?:\.[\dA-Za-z\-]+)*))?(?:\+([\dA-Za-z\-]+(?:\.[\dA-Za-z\-]+)*))?$/
+    //, reSemverRange = /\s*((\|\||\-)|(([<>~]?=?)\s*(v)?([0-9]+)(\.(x|[0-9]+))?(\.(x|[0-9]+))?(([\-+])([a-zA-Z0-9\.]+))?))\s*/g
+    , reSemverRange = /\s*((\|\||\-)|(([<>~]?=?)\s*(v)?([0-9]+)(\.(x|\*|[0-9]+))?(\.(x|\*|[0-9]+))?(([\-+])([a-zA-Z0-9\.]+))?))\s*/g
     ;
 
   function parseSemver(version) {
@@ -83,7 +89,24 @@
     return arr;
   }
 
+  function stringifySemverRange(arr) {
+    var str = ''
+      ;
+
+    arr.forEach(function (ver) {
+      if (ver.operator) {
+        str += ver.operator + ' ';
+      }
+      if (ver.major) {
+        str += stringifySemver(ver) + ' ';
+      }
+    });
+  
+    return str.trim();
+  }
+
   module.exports.parse = parseSemver;
   module.exports.stringify = stringifySemver;
   module.exports.parseRange = parseSemverRange;
+  module.exports.stringifyRange = stringifySemverRange;
 }());