Help for this page

Select Code to Download

Select or download this

$ perl -le " qr{\d****} "
Nested quantifiers in regex; marked by <-- HERE in m/\d** <-- HERE **/
+ at -e line 1.

...

$ perl -le " qr{?} "
Quantifier follows nothing in regex; marked by <-- HERE in m/? <-- HER
+E / at -e line 1.