问题
All that I need is to split the wiki template call to parameter parts. In the very basic scenario it is just splitting by | so {{template|unnamed_parameter|param1=value1}} would be split to {{template, unnamed_parameter, param1=value1 and }}.
But things are complicating when the pipe character is used for other purposes like for wikilinks [[link|title]] etc.
Any suggestions how to do this task in the easiest way? :)
Update: Sorry for possible misunderstanding but {{template|unnamed_parameter|param1=value1}} is just an example. For more information about wiki templates you can look at the following resource: http://www.mediawiki.org/wiki/Help:Templates
回答1:
Please look at this Q&A: How can I fix this wiki link parsing regular expression?
My answer (in Update section) there using perl regex is doing pretty much similar Wiki link parsing.
Update:
Alright here is the perl regex for your case:
echo "{{template|unnamed_parameter|param1=value1}}" | \
perl -pe 's#(^|\b)((?![|\[]){{(.+?)\|(.+?)\|(.+?)}}(?![|\]]))($|\b)#{{$3, $4, $5 and }}#g'
Output: {{template, unnamed_parameter, param1=value1 and }}
Q: are you sure you need and here before closing }} otherwise just edit above regex:
And now checking above solution against string [[link|title]]
echo "[[link|title]]" | \
perl -pe 's#(^|\b)((?![|\[]){{(.+?)\|(.+?)\|(.+?)}}(?![|\]]))($|\b)#{{$3, $4, $5 and }}#g'
Output: [[link|title]] # remains unchanged as per your requirements
回答2:
regex that assumes your wiki template has always 3 parts:
update to exclude false match to template {{template|[[link|name]]}}
regex: \{\{(.+?)\|[^\[]{2}(.+?)\|(.+?)[^\]]{2\}\}
replacment: $1,$2,$3
input: {{template|unnamed_parameter|param1=value1}}
output: template,unnamed_parameter,param1=value1
it's a simple regex using reluctant quantifiers and escaping the "special" meaning of {}| using \
by including \{\{ \}\} to the regex you avoid matches on [[ ]] pattern.
来源：https://stackoverflow.com/questions/5460500/parsing-wiki-templates-calls-with-javascript