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Test:Substring
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2019-07-05
The MediaWiki upgrade has obsoleted the old strlen functions. The modern way is to use the String module. i.e:
{{#invoke:String|sub|ABCDEFGHIJKLMNOPQRSTUVWXYZ||-1}}
ABCDEFGHIJKLMNOPQRSTUVWXYZ
{{#invoke:String|sub|ABCDEFGHIJKLMNOPQRSTUVWXYZ|-1|}}
Z
{{#invoke:String|sub|ABCDEFGHIJKLMNOPQRSTUVWXYZ|3|5}}
CDE
{{#invoke:String|len|ABCDEFGHIJKLMNOPQRSTUVWXYZ}}
26
