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Module:String: Difference between revisions

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Parameters
Parameters
     s: The string to return a subset of
     s: The string to return a subset of
     i: The first index of the substring to return, defaults to 1.
     i: The fist index of the substring to return, defaults to 1.
     j: The last index of the string to return, defaults to the last character.
     j: The last index of the string to return, defaults to the last character.


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return mw.ustring.sub( s, i, j )
return mw.ustring.sub( s, i, j )
end
--[[
This function implements that features of {{str sub old}} and is kept in order
to maintain these older templates.
]]
function str.sublength( frame )
local i = tonumber( frame.args.i ) or 0
local len = tonumber( frame.args.len )
return mw.ustring.sub( frame.args.s, i + 1, len and ( i + len ) )
end
end


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return mw.ustring.sub( target_str, pos, pos )
return mw.ustring.sub( target_str, pos, pos )
end
--[[
str_find
This function duplicates the behavior of {{str_find}}, including all of its quirks.
This is provided in order to support existing templates, but is NOT RECOMMENDED for
new code and templates.  New code is recommended to use the "find" function instead.
Returns the first index in "source" that is a match to "target".  Indexing is 1-based,
and the function returns -1 if the "target" string is not present in "source".
Important Note: If the "target" string is empty / missing, this function returns a
value of "1", which is generally unexpected behavior, and must be accounted for
separatetly.
]]
function str.str_find( frame )
local new_args = str._getParameters( frame.args, {'source', 'target'} )
local source_str = new_args['source'] or ''
local target_str = new_args['target'] or ''
if target_str == '' then
return 1
end
local start = mw.ustring.find( source_str, target_str, 1, true )
if start == nil then
start = -1
end
return start
end
end


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if plain then
if plain then
pattern = str._escapePattern( pattern )
pattern = str._escapePattern( pattern )
replace = string.gsub( replace, "%%", "%%%%" ) --Only need to escape replacement sequences.
replace = mw.ustring.gsub( replace, "%%", "%%%%" ) --Only need to escape replacement sequences.
end
end


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end
end
return table.concat( args, sep or '' )
return table.concat( args, sep or '' )
end
function str.sentenceTerminated( frame )
    -- Is string terminated by dot, question or exclamation mark?
    --    Quotation, link termination and so on granted
    -- Parameter:
    --    analyse  -- string
    -- Returns: true, if sentence terminated
    local sentence = frame.args[1]
    local PatternTerminated = mw.ustring.char( 91,
                                            12290,
                                            65281,
                                            65294,
                                            65311 )
                            .. "!%.%?…][\"'%]‹›«»‘’“”]*$"
    if mw.ustring.find( sentence, PatternTerminated ) then
        return "yes"
    end
end
end


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]]
]]
function str._escapePattern( pattern_str )
function str._escapePattern( pattern_str )
return ( string.gsub( pattern_str, "[%(%)%.%%%+%-%*%?%[%^%$%]]", "%%%0" ) )
return mw.ustring.gsub( pattern_str, "([%(%)%.%%%+%-%*%?%[%^%$%]])", "%%%1" )
end
end


return str
return str
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