-- module variable and administration local lu = { 	moduleInterface = { 		suite  = 'Link utilities', 		serial = '2023-12-09', 		item   = 65228027 	} }  -- module import local li = require( 'Module:Link utilities/i18n' ) -- require( 'strict' )  -- split separate items like numbers function lu.splitItems( s, delimiters, defaultDelimiter ) 	defaultDelimiter = defaultDelimiter or ','  	-- wrap delimiters with zero marks 	s = mw.ustring.gsub( s, defaultDelimiter, '\0%1\0' );  	-- substitude delimiters 	for i, delimiter in ipairs( delimiters ) do 		s = mw.ustring.gsub( s, delimiter, '\0%1\0' ); 		-- remove zero marks from inside parentheses () 		s =	mw.ustring.gsub( s, '%b'.. li.texts.parentheses, 			function( t ) return t:gsub( '%z', '' ) end ) 		-- replace delimeters by the default delimiter 		s = mw.ustring.gsub( s, '\0' .. delimiter .. '\0', '\0' .. defaultDelimiter .. '\0' ); 	end  	-- results to an array 	s = mw.text.split( s, '\0' .. defaultDelimiter .. '\0' ) 	for i = #s, 1, -1 do 		s[ i ] = mw.text.trim( s[ i ] ) 		if s[ i ] == '' then  			table.remove( s, i ) 		end 	end 	return s end  -- extract comment written in parentheses -- remove spaces between value like phone numbers and comment function lu.extractComment( s ) 	local comment = '' 	if s:find( '(', 1, true ) then 		local t = mw.ustring.gsub( s, '^.*(%b' .. li.texts.parentheses .. ')$', '%1' ) 		if t ~= s then 			comment = t 			s = mw.ustring.gsub( s, '[%s%c]*%b' .. li.texts.parentheses .. '$', '' ) 		end 	end 	return s, comment end  return lu