I would think that a reason, is that there is no reasonable default.
Just as we have * for zero or more and + for 1 or more; either 0 or 1 would be equally valid defaults for {,n}. Since there is no hamming difference between them, how would you pick one over the other to be the default?
In reply to Re: Oddness with regex quantifiers
by BrowserUk
in thread Oddness with regex quantifiers
by talexb
| For: | Use: | ||
| & | & | ||
| < | < | ||
| > | > | ||
| [ | [ | ||
| ] | ] |