Module:StringReplace

-- Module for different search and replace operations on strings. local p = {}

-- Takes one string parameter, and returns the string with all characters with special meaning for Lua patterns escaped with a preceding `%`. function p.escape_pattern(text)

   -- Replaces each occurrence of any of ().%+-*?[^$ with a `%` and then the character.
   local r = string.gsub(text, "[%(%)%.%%%+%-%*%?%[%^%$]", "%%%1")
   return r

end

-- Returns the first parameter, with all occurrences of the second parameter replaced with the third parameter. -- All special characters are ignored: test.abar$foo results in `test.abarfoo`. function p.replace_all(frame)

   local str = frame.args[1]
   local strToFind = frame.args[2]
   local strToreplaceWith = frame.args[3]
   local r = string.gsub(str, p.escape_pattern(strToFind), p.escape_pattern(strToreplaceWith))
   return r

end

p['encode wiki page name'] = function( frame ) local x = mw.ustring.gsub( frame.args[1] or , '[\'"&_]', { ["'"] = ''', ['"'] = '"', ['&'] = '&', ['_'] = ' ', } ) return mw.text.trim( x ) end

return p