Template:Template usage: Difference between revisions

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Latest revision as of 20:49, 24 January 2026

Testing {{{2}}} on this page

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-<noinclude>{{Documentation}}</noinclude>{{#switch:{{{prefix|{{FULLPAGENAME}}}}}
+<!-- Curly brackets matching should ignore [^}], \{{!}}; insource:/\{} is OK.
-|{{FULLPAGENAME}} = {{#if:{{{pattern|}}}|Phase one of two: '''a test regexp''' "<kbd>{{{pattern}}}</kbd>".}}
+--><onlyinclude><!--
-|#default = {{#if:{{{pattern|}}}|Phase two: '''a tested regexp''' "<kbd>{{{pattern}}}</kbd>".}}
+Make a search link.
-}}<!--
+-->{{plain link
+  |url =
+    {{fullurl:Special:Search|search=<!--
+        -->{{urlencode:<!-- encodes spaces, so let's avoid unnecessary spaces.
---><span class="plainlinks">[{{fullurl:Special:Search|search={{urlencode:
+          Build this query:
-hastemplate:{{{template|Val}}}<!-- Filter, for expected pattern, else no insource: search
+          hastemplate: template insource:/\{\{ *[Tt]emplate *\| *[^}]*pattern/
--->{{#if:{{{pattern|}}}
-  | insource:/\{<!-- a curly bracket starting a /regexp
-  -->[{{#invoke:String|sub<!--
-  Now save from an expensive, case-insensitive /i search
-  by outputing [Xx] where x is first letter of name. -->
-  |{{uc:{{{template|val}}}}}|1|1}}{{#invoke:String|sub
-  |{{lc:{{{template|val}}}}}|1|1}}]{{#invoke:String|sub
-  |{{{template|val}}}|2}}\{{!}}<!-- Template name and its pipe.
-  -->[^}]+<!-- One or more characters before the closing curly bracket
+          Add the ever present "hastemplate:" filter and a space
-  -->{{{pattern}}}/<!--/regexp/ of the pattern, ending of the regexp/
+          -->hastemplate:"{{{template|{{{1|Template usage}}}}}}" <!--
-  Now add a space and a search domain.
--->}} prefix:{{#switch:{{{prefix}}}
-|#default = {{FULLPAGENAME}}
-|n = {{NAMESPACE}}:
-|0|: = {{ns:0}}:
-|1 = {{ns:1}}:
-|2 = {{ns:2}}:
-|3 = {{ns:3}}:
-|4 = {{ns:4}}:
-|5 = {{ns:5}}:
-|6 = {{ns:6}}:
-|7 = {{ns:7}}:
-|8 = {{ns:8}}:
-|9 = {{ns:9}}:
-|10 = {{ns:10}}:
-|11 = {{ns:11}}:
-|12 = {{ns:12}}:
-|13 = {{ns:13}}:
-|14 = {{ns:14}}:
-|15 = {{ns:15}}:
-|100 = {{ns:100}}:
-|101 = {{ns:101}}:
-|108 = {{ns:108}}:
-|109 = {{ns:109}}:
-|118 = {{ns:118}}:
-|119 = {{ns:119}}:
-}}}}}}</span> Perform a search {{#if:{{{pattern|}}}
-| within all instances of | for }} template {{ucfirst: {{{template|val}}}}} ] <!--
-DONE.  Now inform the user what the search link does.
+          Add the "insource:/\{\{ *"
+          -->insource:/\{\{ *<!--
-It starts the search domain in the current page "fullpagename",
+          Add the "[Tt]".
-that is a specific page or personal sandbox.  Hone the regexp
+          Save from an expensive, /regexp/i.
-before releasing it into the wild.
+          -->[{{#invoke:String|sub<!-- saw first [ of a "[Tt]"  -->
-Use ":" for main, "n" for current namespace.
+          |{{uc:{{{template|{{{1|Template usage}}}}}}}}|1|1}}{{#invoke:String|sub
+          |{{lc:{{{template|{{{1|Template usage}}}}}}}}|1|1}}]{{#invoke:String|sub
+          <!--                                               ^
+                                                     You saw ].
---> {{#switch:{{{prefix|{{FULLPAGENAME}}}}}
+          Add "emplate", the rest of the template name, starting from char 2.-->
-|{{FULLPAGENAME}} = on just this page.
+          |{{{template|{{{1|Template usage}}}}}}|2}}<!--
-|:|0 = in the {{ns:0}} namespace.
-|n = in namespace "{{NAMESPACE}}".
-|1 = in the {{ns:1}} namespace
-|2 = in the {{ns:2}} namespace
-|3 = in the {{ns:3}} namespace
-|4 = in the {{ns:4}} namespace
-|5 = in the {{ns:5}} namespace
-|6 = in the {{ns:6}} namespace
-|7 = in the {{ns:7}} namespace
-|8 = in the {{ns:8}} namespace
-|9 = in the {{ns:9}} namespace
-|10 = in the {{ns:10}} namespace
-|11 = in the {{ns:11}} namespace
-|12 = in the {{ns:12}} namespace
-|13 = in the {{ns:13}} namespace
-|14 = in the {{ns:14}} namespace
-|15 = in the {{ns:15}} namespace
-|100 = in the {{ns:100}} namespace
-|101 = in the {{ns:101}} namespace
-|108 = in the {{ns:108}} namespace
-|109 = in the {{ns:109}} namespace
-|118 = in the {{ns:118}} namespace
-|119 = in the {{ns:119}} namespace
-|#default = in all titles starting with the characters "{{{prefix}}}".
-Or choose a [[H:S| prefix filter]] from: {{namespaces}}
+          Add the tricky regexp part.
-}}
+          --> *\{{!}}[^}]*<!-- optional space " *" around initial pipe
+          initial pipe is \|, i.e. \{{!}}
+          Trickiest part: [character class] inverted with ^:  [^any char NOT }]
+          Zero or more (*) of those "non-curly brackets".
+          All this stuff always matches, shows in bold in the search results
+          Add the users regexp pattern part and closing /.
+          -->{{{pattern|{{{2|''regexp''}}}}}}/<!--
+          Add "prefix:" You see the space before it.
+          --> prefix:<!--
+          -->{{#switch:<!-- add namespace "numbers and letters" recognition -->
+            {{{prefix|{{{3|}}}}}}
+            |#default = {{{prefix|{{{3|{{FULLPAGENAME}}}}}}}}
+            |n = {{NAMESPACE}}
+            |0|: = :
+            |1 = {{ns:1}}:
+            |2 = {{ns:2}}:
+            |3 = {{ns:3}}:
+            |4 = {{ns:4}}:
+            |5 = {{ns:5}}:
+            |6 = {{ns:6}}:
+            |7 = {{ns:7}}:
+            |8 = {{ns:8}}:
+            |9 = {{ns:9}}:
+            |10 = {{ns:10}}:
+            |11 = {{ns:11}}:
+            |12 = {{ns:12}}:
+            |13 = {{ns:13}}:
+            |14 = {{ns:14}}:
+            |15 = {{ns:15}}:
+            |100 = {{ns:100}}:
+            |101 = {{ns:101}}:
+            |118 = {{ns:118}}:
+            |119 = {{ns:119}}:
+            |710 = {{ns:710}}:
+            |711 = {{ns:711}}:
+            |828 = {{ns:828}}:
+            |829 = {{ns:829}}:
+          }}
+        }}<!-- End urlencode. -->
+      }}<!-- End fullurl
+    url done
+    Now for name param of plainlinks.
+  Appearance of link looks just like the query, unless labeled.
+  So we're rebuilding the query just for show this time. -->
+  |name = <!-- for commentary see duplicate above -->
+    {{#if:
+      {{{label|{{{4|}}}}}}
+      |{{{label|{{{4}}}}}}
+      |{{#if:
+        {{{prefix|{{{3|}}}}}}
+        |hastemplate:"{{{template|{{{1|Template usage}}}}}}" <!--
+        -->insource:/\{\{ *<!--
+        -->&#91;{{#invoke:String|sub<!-- saw first [ of a "[Tt]"  -->
+          |{{uc:{{{template|{{{1|Template usage}}}}}}}}|1|1}}{{#invoke:String|sub
+          |{{lc:{{{template|{{{1|Template usage}}}}}}}}|1|1}}&#93;{{#invoke:String|sub
+          |{{{template|{{{1|Template usage}}}}}}|2}}<!--     ^
+        --> *\{{!}}&#91;^}&#93;*<!-- optional space " *" around initial pipe
+        -->{{#invoke:String|replace
+          |{{#invoke:String|replace
+            |{{{pattern|{{{2|''regexp''}}}}}}<!-- Given pattern
+          -->|[|&#91;}}<!-- Replace any/all [ with HTML symbol
+        -->|]|&#93;}}/<!-- replace any/all ] with there HTML symbol
+        --> prefix:<!--
+        -->{{#switch:<!-- add namespace "numbers and letters" recognition -->
+          {{{prefix|{{{3|}}}}}}
+          |#default = {{{prefix|{{{3|{{FULLPAGENAME}}}}}}}}
+          |n = {{NAMESPACE}}
+          |0|: = <nowiki />:
+          |1 = {{ns:1}}:
+          |2 = {{ns:2}}:
+          |3 = {{ns:3}}:
+          |4 = {{ns:4}}:
+          |5 = {{ns:5}}:
+          |6 = {{ns:6}}:
+          |7 = {{ns:7}}:
+          |8 = {{ns:8}}:
+          |9 = {{ns:9}}:
+          |10 = {{ns:10}}:
+          |11 = {{ns:11}}:
+          |12 = {{ns:12}}:
+          |13 = {{ns:13}}:
+          |14 = {{ns:14}}:
+          |15 = {{ns:15}}:
+          |100 = {{ns:100}}:
+          |101 = {{ns:101}}:
+          |118 = {{ns:118}}:
+          |119 = {{ns:119}}:
+          |710 = {{ns:710}}:
+          |711 = {{ns:711}}:
+          |828 = {{ns:828}}:
+          |829 = {{ns:829}}:
+        }}
+      |{{#invoke:String|replace
+          |{{#invoke:String|replace
+            |'''Testing''' <kbd>{{{pattern|{{{2}}}}}}</kbd> '''on this page'''<!--
+          -->|[|&#91;}}<!-- Replace any/all [ with HTML symbol
+        -->|]|&#93;}}<!-- replace any/all ] with there HTML symbol-->
+      }}
+   }}
+}}<!-- End of plainlinks
+--></onlyinclude><noinclude>{{Documentation}}</noinclude>