This is the documentation page for Mòideal:Ustring

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This module directly imports all functions from the Teamplaid:Scribunto/helper library. Documentation for each function can be found there.

The module takes an indefinite number of arguments. All arguments are coerced as number type if possible. If you wish for something to remain a string, you can simply escape it by insert \ at the beginning of the string.

You can also wrap results in tags. All non-number indexed arguments will be passed to Teamplaid:Scribunto/helper

Ùsaid - Usage

{{#invoke:Ustring|function_name|arg1|arg2|...}} is equivalent to Teamplaid:Scribunto/helper

Example using mw.ustring.sub

{{#invoke:Ustring|sub|abcde|2|4}}

produces:

bcd

Example using mw.ustring.gsub

{{#invoke:Ustring|gsub|1234|23|}}

produces:

14

Example using mw.ustring.char

&#{{#invoke:Ustring|char|49|48|59}}

produces:




This is nice for escaping character sequences in other modules; for example:

p = {}
function p.main(frame)
  local str = '1-2-2{{#invoke:Ustring|char|45}}1-3'
  return frame:preprocess(str:gsub('-', '/'))-- == '1/2/2-1/3'
end
return p

Example using mw.ustring.match

{{#invoke:Ustring|match|abcde|(c%w)}}

produces:

cd

Note: Only the first match is returned. Additional returns are omitted because mw.ustring.gsub's second return value is generally undesirable.

Example using tag arguments

{{#invoke:Ustring|match
|{{Module:Ustring}}|%s%s%sif%snot%s[^%s]+%sthen.+%
<!--enter an actual newline character to match '\n'-->%s%s%send
|tag=syntaxhighlight|lang=lua}}

produces:

			if not args.tag then
				return (what(unpack(args)))
			end
			local tagargs = {}
			for x, y in pairs(args) do
				if type(x) ~= 'number' and x ~= 'tag' then tagargs[x] = y end
			end

Note that:

<syntaxhighlight lang="lua">{{#invoke:Ustring|match
|{{Module:Ustring}}|%s%s%sif%snot%s[^%s]+%sthen.+%
<!--enter an actual newline character to match '\n'-->%s%s%send}}</syntaxhighlight>

produces:

{{#invoke:Ustring|match
|{{Module:Ustring}}|%s%s%sif%snot%s[^%s]+%sthen.+%
<!--enter an actual newline character to match '\n'-->%s%s%send}}

Mearachdan - Errors

Errors from accessing Teamplaid:Scribunto/helper should be maintained, e.g.:

{{#invoke:Ustring|xyzzy}}

produces:

Script error: The function "xyzzy" does not exist.

and

{{#invoke:Ustring|maxPatternLength}}

produces:

Script error: "maxPatternLength" is not a function.


Faic cuideachd - Also see