Module:Plain text#L-21

--converts text with wikilinks to plain text, e.g "gah is bar" to "gah is bar"

--removes anything enclosed in tags that isn't nested, mediawiki strip markers (references etc), files, italic and bold markup

requirestrict

local p = {}

function p.main(frame)

local text = frame.args[1]

local encode = require('Module:yesno')(frame.args.encode)

return p._main(text, encode)

end

function p._main(text, encode)

if not text then return end

text = mw.text.killMarkers(text)

:gsub(' ', ' ') --replace nbsp spaces with regular spaces

:gsub('
', ', ') --replace br with commas

:gsub('(.-)', '%1') --remove spans while keeping text inside

:gsub('(.-)', '%1') --remove italics while keeping text inside

:gsub('(.-)', '%1') --remove bold while keeping text inside

:gsub('(.-)', '%1') --remove emphasis while keeping text inside

:gsub('(.-)', '%1') --remove strong while keeping text inside

:gsub('(.-)', '%1') --remove subscript markup; retain contents

:gsub('(.-)', '%1') --remove superscript markup; retain contents

:gsub('(.-)', '%1') --remove underline markup; retain contents

:gsub('<.->.-<.->', '') --strip out remaining tags and the text inside

:gsub('<.->', '') --remove any other tag markup

:gsub('%[%[%s*[Ff][Ii][Ll][Ee]%s*:.-%]%]', '') --strip out files

:gsub('%[%[%s*[Ii][Mm][Aa][Gg][Ee]%s*:.-%]%]', '') --strip out use of image:

:gsub('%[%[%s*[Cc][Aa][Tt][Ee][Gg][Oo][Rr][Yy]%s*:.-%]%]', '') --strip out categories

:gsub('%[%^%-|', '') --strip out piped link text

:gsub('([^%[])%^%[%[^%]]-%s', '%1') --strip out external link text

:gsub('^%^%[%[^%]]-%s', '') --strip out external link text

:gsub('[%[%]]', '') --then strip out remaining [ and ]

:gsub("'", "") --strip out bold italic markup

:gsub("?", "") --not stripping out ' gives correct output for bolded text in quotes

:gsub('%-%-%-%-+', '') --remove ---- lines

:gsub("^%s+", "") --strip leading

:gsub("%s+$", "") --and trailing spaces

:gsub("%s+", " ") --strip redundant spaces

if encode then

return mw.text.encode(text)

else

return text

end

end

return p