otclient-redemption/modules/corelib/string.lua

-- @docclass string
function string:split(delim)
    local start = 1
    local results = {}
    while true do
        local pos = string.find(self, delim, start, true)
        if not pos then break end
        table.insert(results, string.sub(self, start, pos - 1))
        start = pos + string.len(delim)
    end
    table.insert(results, string.sub(self, start))
    table.removevalue(results, '')
    return results
end

function string:starts(start) return string.sub(self, 1, #start) == start end

function string:ends(test) return test == '' or string.sub(self, -string.len(test)) == test end

function string:trim() return string.match(self, '^%s*(.*%S)') or '' end

function string:explode(sep, limit)
    if type(sep) ~= 'string' or tostring(self):len() == 0 or sep:len() == 0 then return {} end

    local i, pos, tmp, t = 0, 1, '', {}
    for s, e in function() return string.find(self, sep, pos) end do
        tmp = self:sub(pos, s - 1):trim()
        table.insert(t, tmp)
        pos = e + 1

        i = i + 1
        if limit ~= nil and i == limit then break end
    end

    tmp = self:sub(pos):trim()
    table.insert(t, tmp)
    return t
end

function string:contains(str, checkCase, start, plain)
    if (not checkCase) then
        self = self:lower()
        str = str:lower()
    end
    return string.find(self, str, start and start or 1, plain == nil and true or false)
end