Módulo:String: Diferenzas entre revisións
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Liña 577:
return cambio;
end
end
--[[
Split
This function Splits a string based on a separator, returns nth substring based on count.
Usage:
{{#invoke:StringFunc|split|source_string|separator|count}}
Parameters:
source: The string to return a subset of
separator: The string to split on
count: The nth substring based on the separator to return
]]
function p.split( frame )
local new_args = _getParameters( frame.args, {'source', 'separator', 'count'} )
local source_str = new_args['source'] or ''
local separator = new_args['separator'] or ''
local separator_len = mw.ustring.len(separator)
if source_str == '' or separator == '' then
return source_str;
end
local ret_count = tonumber( new_args['count'] ) or 1
if ret_count < 1 then
return ""
end
local start = 1
local iter = mw.ustring.find(source_str, separator, start, true)
if iter == nil then
if ret_count == 1 then
return source_str
else
return ""
end
else
iter = iter - 1
end
if ret_count == 1 then
return mw.ustring.sub( source_str, start, iter)
end
for i=2, ret_count do
start = iter+separator_len + 1
iter = mw.ustring.find(source_str, separator, start, true)
if iter == nil then
if ret_count == i then
return mw.ustring.sub(source_str, start, mw.ustring.len(source_str))
else
return ""
end
else
iter = iter - 1
end
end
return mw.ustring.sub( source_str,start,iter)
end
function p.isNumber( frame )
local new_args = _getParameters( frame.args, {'source'} )
local source_str = new_args['source'] or ''
if source_str == '' then
return "false"
end
if tonumber(source_str) == nil and tonumber(string.gsub(source_str, ",", ".", 1) .. '') == nil then
return "false"
end
return "true"
end
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