Adrian Lynch wrote: > Yup, + > > Adrian > http://www.adrianlynch.co.uk/ It is my understanding that + is 'one *or more* times.' I don't want the 'or more' part. In this particular case it needs to be zero times or one time, nothing more (or less if that is possible). {0,1} works well. But I thought that this is such a common thing, at least I have been writing it a lot, that there could be a short cut for it.
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