Module:Str endswith
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This module is being considered for merging with Module:String. Please discuss this matter at this module's entry at templates for discussion to help reach a consensus.
Maintenance use only: 1. Edit the TfD log to create the discussion entry. 2. Please consider notifying the author(s) by placing {{subst:Tfmnotice|Str endswith/doc|String}} ~~~~ on their talk page(s). |
This Lua module is used on approximately 30,000 pages, so changes to it will be widely noticed. Please test any changes in the module's /sandbox or /testcases subpages. Please consider discussing changes on the talk page before implementing them. |
This module is subject to page protection. It is a highly visible module in use by a very large number of pages, or is substituted very frequently. Because vandalism or mistakes would affect many pages, and even trivial editing might cause substantial load on the servers, it is protected from editing. |
This module implements {{str endswith}}. Please see the template page for documentation.
-- This module implements {{str endswith}}.
local TRUE_STRING = 'yes'
local FALSE_STRING = ''
local p = {}
local function trim(s)
return s:match('^%s*(.-)%s*$')
end
function p.main(frame)
local args = frame:getParent().args
local s = args[1]
local pattern = args[2]
if not s or not pattern then
-- TRUE_STRING is not the natural choice here, but is needed for
-- backwards compatibility.
return TRUE_STRING
end
s = trim(s)
pattern = trim(pattern)
if pattern == '' then
-- All strings end with the empty string.
return TRUE_STRING
end
if mw.ustring.sub(s, 0 - mw.ustring.len(pattern), -1) == pattern then
return TRUE_STRING
else
return FALSE_STRING
end
end
return p