YAENQ: Variable as a pattern

[basi]

(I ordered for a copy of Mastering Regular Expressions. Should be in my
snail mailbox anytime soon. In the meantime ... )

How do I tell Ruby to use the content of a variable as the pattern,
rather than interpreting the variable name as a literal?

v = "aeiou"

Then, in

"goodness" =~ /[v]/

I'd like v to be interepreted not as a literal but as a variable name.

Thanks
basi

[Adam Sanderson]

String interpolation seems to work on regular expressions so try:
"goodness" =~ /[#{v}]/

Or more verbosely:
"goodness" =~ Regexp.new("[#{v}]")

enjoy,
.adam

[Joel VanderWerf]

Same as with a string:

"goodness" =~ /[#{v}]/

--
vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407

[Timothy Hunter]

"goodness" =~ /#{v}/

[basi]

thanks to all who replied. so simple. (goodness, why didn't I think of
that. sigh.)

basi