On Thu, 19 May 2011, Rapitharian wrote:
One quick question though: 1) What does the ?: do in =~/(?:US|CA|FR)/
(xxx) by default remembers the matched text for later use. SA rules can't use remembered matches for anything; adding ?: makes perl not remember what matched, which is a performance improvement.
-- John Hardin KA7OHZ http://www.impsec.org/~jhardin/ jhar...@impsec.org FALaholic #11174 pgpk -a jhar...@impsec.org key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C AF76 D822 E6E6 B873 2E79 ----------------------------------------------------------------------- Vista: because the audio experience is *far* more important than network throughput. ----------------------------------------------------------------------- 161 days since the first successful private orbital launch (SpaceX)
