4 ms·These are the safest I could find. They are perfectly fine for using in filenames.by DagAgren 7y agoThese are the safest I could find. They are perfectly fine for using in filenames.ygra 7y agoThat depends very much on the platform ...DagAgren 7y agoWell, Windows is very picky, yes.svnpenn 7y agoWindows "A file name can't contain any of the following characters": \ / : * ? " < > | which means "*:|" would need to be removed if you want to support that use case