Module:FirstLetter

Documentation for this module may be created at Module:FirstLetter/doc

local p = {}

function p.from(frame)
    local input = frame.args[1] or ''
    -- Remove leading/trailing spaces
    input = mw.text.trim(input)
    -- Remove accents for basic comparison (optional)
    input = mw.ustring.gsub(input, '[ÁÀÄÂ]', 'A')
    input = mw.ustring.gsub(input, '[ÉÈËÊ]', 'E')
    input = mw.ustring.gsub(input, '[ÍÌÏÎ]', 'I')
    input = mw.ustring.gsub(input, '[ÓÒÖÔ]', 'O')
    input = mw.ustring.gsub(input, '[ÚÙÜÛ]', 'U')
    input = mw.ustring.gsub(input, '[Ñ]', 'N')
    -- Uppercase first character
    local first = mw.ustring.upper(mw.ustring.sub(input, 1, 1))
    return first
end

return p