diff --git a/src/diff-service.ts b/src/diff-service.ts
index 4d60f21..114c8af 100644
--- a/src/diff-service.ts
+++ b/src/diff-service.ts
@@ -6,7 +6,7 @@ interface IComputedPackage {
   [packagename: string]: string[];
 }
 
-const PACKAGE_REGEX = /(?<packageName>.*)@(?:(?<semverPin>[\^\$])?(?<major>\d)(?:\.(?<minor>\d))?(?:\.(?<patch>\d))?(?:-(?<prerelease>[0-9a-zA-Z-]+)(?:.(?<prereleaseVersion>[0-9a-zA-Z]+))?)?(?:\+(?<metadata>[0-9a-zA-Z-]+)(?:.(?<metadataVersion>[0-9a-zA-Z]+))?)?|\*)/;
+const PACKAGE_REGEX = /(?<packageName>.*)@(?:(?<semverPin>[\^|\~\$])?(?<major>\d)(?:\.(?<minor>\d))?(?:\.(?<patch>\d))?(?:-(?<prerelease>[0-9a-zA-Z-]+)(?:.(?<prereleaseVersion>[0-9a-zA-Z]+))?)?(?:\+(?<metadata>[0-9a-zA-Z-]+)(?:.(?<metadataVersion>[0-9a-zA-Z]+))?)?|\*)/;
 
 export const DiffService = {
   computeHashmapOfPackageAndVersionList(