User:Sourcrowd/Sandbox/3a
< User:Sourcrowd | Sandbox
{{#ifexpr:{{#invoke:String|len|{{{cat}}}}}<4 | [[Category:Test {{{cat}}}]] | §§Category:Test {{#invoke:String|replace|{{{cat}}}|,|$$ §§Category:Test }}$$ }}
{{#ifexpr:{{#invoke:String|len|{{{cat}}}}}<4 | [[Category:Test {{{cat}}}]] | §§Category:Test {{#invoke:String|replace|{{{cat}}}|,|$$ §§Category:Test }}$$ }}