Merge pull request #11 from dmihalcik-virtru/patch-1

🐛 Use reference regex from semver.org

Author: rubenesp87

index.js

@@ -6,7 +6,7 @@ try {
   const version = core.getInput('version');
   console.log(`Checking version: ${version}!`);
 
-  var re = new RegExp("(0|[1-9]\d*)+\.(0|[1-9]\d*)+\.(0|[1-9]\d*)+(-(([a-z-][\da-z-]+|[\da-z-]+[a-z-][\da-z-]*|0|[1-9]\d*)(\.([a-z-][\da-z-]+|[\da-z-]+[a-z-][\da-z-]*|0|[1-9]\d*))*))?(\\+([\da-z-]+(\.[\da-z-]+)*))?$");
+  var re = new RegExp("^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$");
   if (re.exec(version) == null) {
     core.setFailed("Invalid version");
   }