Sorry I'm really bad at regexes, I finally hacked osmething to work in ruby. I'd appreciate if someone can instruct the proper way of how to do this:
I basically wanted to remove all \\n when it appears within ul tags.
while body =~ /<ul>.*(\n+).*<\/ul>/m
body =~ /<ul>(.+)<\/ul>/m
body.gsub!(
/<ul>(.+)<\/ul>/m,
"<ul>#{$1.gsub("\n","")}</ul>" )
end
The 2nd line took me forever to figure out, since the $1 was from the while loop, not actually from the gsub statement.
Thanks!
With regexp's TIMTOWTDI but here's one shorter attempt:
body.gsub!(/<ul>.*?<\/ul>/m) {|m| m.tr("\n",'') }
Basically find (non-greedily) all ul-tags and replace them with all linefeeds removed (check RDoc for String.gsub! and String.tr )
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.