diff --git a/regexp.json b/regexp.json
index fabf8a5..3b0ab96 100644
--- a/regexp.json
+++ b/regexp.json
@@ -11,7 +11,7 @@
         "(^|/)[\\w-]*\\.sh$"
       ],
       "matchStrings": [
-         "(=|:\\s)\"?(?<currentValue>[^\"\\n]*)\"? # renovate:(?:[\\s]+datasource=[\"']*(?<datasource>[^\\s\"']*)['\"]*|[\\s]+depName=['\"]*(?<depName>[^\\s'\"]*)['\"]*|[\\s]+packageName=['\"]*(?<packageName>[^\\s'\"]*)['\"]*|[\\s]+registryUrl=['\"]*(?<registryUrl>[^\\s'\"]*)['\"]*|[\\s]+versioning=['\"]*(?<versioning>[^\\s'\"]*)['\"]*|[\\s]+extractVersion=['\"]*(?<extractVersion>[^\\s'\"]*)['\"]*)*"
+         "(?:=|:)[[:blank:]]*\"?(?<currentValue>[^\"\\n]*)\"? # renovate:(?:[\\s]+datasource=[\"']*(?<datasource>[^\\s\"']*)['\"]*|[\\s]+depName=['\"]*(?<depName>[^\\s'\"]*)['\"]*|[\\s]+packageName=['\"]*(?<packageName>[^\\s'\"]*)['\"]*|[\\s]+registryUrl=['\"]*(?<registryUrl>[^\\s'\"]*)['\"]*|[\\s]+versioning=['\"]*(?<versioning>[^\\s'\"]*)['\"]*|[\\s]+extractVersion=['\"]*(?<extractVersion>[^\\s'\"]*)['\"]*)*"
       ]
     }
   ]