Roman Neuhauser wrote:
This shouldn't do too much backtracking, try it out:
"*8*" => /^(?:\d*8\d*){4}$/
The {4} in there repeats the subpattern 4 times, rather than limiting it
to 4 characters.
I really can't think of an elegant to do what you ask with regex - why
limit yourself to regex anyway?
It would be far simpler to just convert * to .* and check the length
separately with strlen(), plus if you check the length first then you
don't need regex at all if it fails.
Arpad
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