Talk:Test includematch
Includematch searches all fields instead of just one (bug?)
I tested the following example and noticed strange includematch behaviour.
<dpl>
category=African Country
includepage={African Country}:languages,{African Country}:goverment,{African Country}:area,{African Country}:population,{African Country}:gdp,{African Country}:independence_day
mode=userformat
listseparators=¶{|class=sortable ¶!No ¶! Name ¶! Languages ¶! Government ¶! Area ¶! Population ¶! GDP ¶! Independence Day , ¶|-¶|%NR%¶|[[%PAGE%]] , ,¶|}
secseparators=¶|
resultsheader=Number of data = %PAGES%
includematch=/languages\s*=\s*.*English.*/s
</dpl>
Try for example replacing
includematch=/languages\s*=\s*.*English.*/s
with
includematch=/languages\s*=\s*.*1961.*/s
and you still got a result because the "Independance day" column is searched. Shouldn't only the "Languages" column being searched? --Mark P. 23:25, 22 November 2007 (CET)
Reply and Explanation
First, the DPL statement above could be written more elegantly, using the table command. The table command was invented recently to facilitate standard view definitions.
Second the regexep uses ".*" before 'English' or '1961'. This means that also pipe characters will be skipped - so '1961' will be accepted if it occurs ANYWHERE AFTER 'languages'. What you want, however, is to stop the pattern matching at field boundaries /(i.e. at pipoe characters). Therefore you must use [^|]* instead of .* which will match all characters EXCEPT The field delimiting pipe character.
Third, the '.*' AFTER 'English' is useless and should be left away.
<dpl>
category=African Country
namespace=
include={African Country}:languages:goverment:area:population:gdp:independence_day
includematch=/languages\s*=\s*[^|]*English/s
table=class=sortable,Name,Languages,Government,Area,Population,GDP,Independence Day
resultsheader=Number of data = %PAGES%\n
noresultsheader= no matching country found.\n
</dpl>
And here is the result with 'French':
Number of data = 3
| Name | Languages | Government | Area | Population | GDP | Independence Day |
|---|---|---|---|---|---|---|
| DPL Example 015 | ||||||
| Republic of Burundi | Kirundi,French | Republic | 10,745 sq mi | 7,548,000 | $4.517 billion | 01/07/1962 |
| Republic of Cameroon | French,English | Republic | 183,568 sq mi | 17,795,000 | $43.196 billion | 01/10/1961 |
.. and with '1961'
Number of data = 1
| Name | Languages | Government | Area | Population | GDP | Independence Day |
|---|---|---|---|---|---|---|
| DPL Example 015 |
Note: If you use the #dpl parser function notation you must not use the pipe directly because it would be misperceived as a field demiter for #dpl itself. In that case you should use something like [^{{!}}]* (assuming that there is a template called ! which returns a single pipe character.
