Make sure that names with wildcards which are not preceded by dots are also seen as package names and not version constraints

src/Composer/Package/Version/VersionParser.php

@@ -51,7 +51,7 @@ class VersionParser extends SemverVersionParser
 
         for ($i = 0, $count = count($pairs); $i < $count; $i++) {
             $pair = preg_replace('{^([^=: ]+)[=: ](.*)$}', '$1 $2', trim($pairs[$i]));
-            if (false === strpos($pair, ' ') && isset($pairs[$i + 1]) && false === strpos($pairs[$i + 1], '/') && !preg_match('{(?<!\.)\*}', $pairs[$i + 1]) && !PlatformRepository::isPlatformPackage($pairs[$i + 1])) {
+            if (false === strpos($pair, ' ') && isset($pairs[$i + 1]) && false === strpos($pairs[$i + 1], '/') && !preg_match('{(?<=[a-z0-9_/-])\*|\*(?=[a-z0-9_/-])}i', $pairs[$i + 1]) && !PlatformRepository::isPlatformPackage($pairs[$i + 1])) {
                 $pair .= ' '.$pairs[$i + 1];
                 $i++;
             }

tests/Composer/Test/Package/Version/VersionParserTest.php

@@ -33,6 +33,8 @@ class VersionParserTest extends TestCase
             array(array('php:^7.0'), array(array('name' => 'php', 'version' => '^7.0'))),
             array(array('php', '^7.0'), array(array('name' => 'php', 'version' => '^7.0'))),
             array(array('php', 'ext-apcu'), array(array('name' => 'php'), array('name' => 'ext-apcu'))),
+            array(array('foo/*', 'bar*', 'acme/baz', '*@dev'), array(array('name' => 'foo/*'), array('name' => 'bar*'), array('name' => 'acme/baz', 'version' => '*@dev'))),
+            array(array('php', '*'), array(array('name' => 'php', 'version' => '*'))),
         );
     }