On 12/1/17 12:40 PM, d...@computer42.org wrote: > Bash Version: 4.4 > Patch Level: 12 > Release Status: release > > Description: > I'm sanitising urls from advertisement crap. As described below I'm getting > a wrong resolution of parenthesised expression defined with non-greedy > operator '?'. > > The test url is: > http://toolbox.contentspread.net/container/medimops/track/xxxxxxxxxx.dyn?csRdu=https://www.medimops.de/?anid=M9999999999&cl=details&wdm=M9999999999&utm_source=CRM&utm_medium=email&utm_campaign=OS > > The regular expression is: > https?:\/\/toolbox.contentspread.net\/(.*?)=(.+?)&.*
The Bash =~ operator uses Posix extended regexps (EREs) as defined in http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html#tag_09_04. There's no concept of a `non-greedy' operator in the Posix ERE definition. Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/
