Returns the internal numerical codes of the characters
`s[i], s[i+1], ..., s[j]`. The default value for `i` is 1; the default
value for `j` is `i`. These indices are corrected following the same rules
of function `Library.string.sub()`.


string.byte

Returns the internal numerical codes of the characters
`s[i], s[i+1], ..., s[j]`. The default value for `i` is 1; the default
value for `j` is `i`. These indices are corrected following the same rules
of function string.sub.


Receives zero or more integers and returns a string with length equal to
the number of arguments, in which each character has the internal
numerical code equal to its corresponding argument.


string.char

Searches for the first occurrence of a pattern in a string and returns the
start and end indices of the match. If no match is found, it returns
`nil.` You can specify where to start the search using the optional `init`
parameter which defaults to 1 and can be negative. An optional `plain`
parameter turns off pattern matching, so the function performs a plain
substring search; note that if you use `plain`, you must also provide
`init.`

```lua
-- Example 1: Basic usage
local s = "Hello, world!"
local pattern = "world"
local start_index, end_index = string.find(s, pattern)
print(start_index, end_index)  -- Output: 8 12
```

```lua
-- Example 2: Using init parameter
local s = "Hello, world! Hello, Roblox!"
local pattern = "Hello"
local start_index, end_index = string.find(s, pattern, 10)
print(start_index, end_index)  -- Output: 15 19
```

```lua
-- Example 3: Using plain parameter
local s = "Hello, world! (Hello)"
local pattern = "(Hello)"
local start_index, end_index = string.find(s, pattern, 1, true)
print(start_index, end_index)  -- Output: 14 20
```

```lua
-- Example 4: No Pattern found
local s = "Hello, world!"
local pattern = "Roblox"
local start_index, end_index = string.find(s, pattern)
print(start_index, end_index)  -- Output: nil
```


string.find

pattern

The pattern to search for in given string.


init

plain

Looks for the first match of pattern in the string `s` and returns the
indices of `s` where the occurrence starts and ends.


Returns a formatted version of its variable number of arguments following
the description given in its first argument, which must be a string.

You can convert variables into user-friendly strings of text using the
`Library.string.format()` function. The function requires the following
format:

`%[flags][width].[precision][specifier]`.

#### Specifiers

The most important part of string formatting is the **specifiers**.

<table>
  <thead>
    <tr>
      <th>Specifier</th>
      <th>Accepts</th>
      <th>Outputs</th>
      <th>Example Output</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><code>c</code></td>
      <td>integer</td>
      <td></td>
      <td>3</td>
    </tr>
    <tr>
      <td><code>d</code> or <code>i</code></td>
      <td>integer</td>
      <td>Decimal representation.</td>
      <td> 321 </td>
    </tr>
    <tr>
      <td><code>e</code> or <code>E</code></td>
      <td>float</td>
      <td>Scientific notation using <code>e</code> or <code>E</code>.</td>
      <td>3.296e2<br>3.296E2</td>
    </tr>
    <tr>
      <td><code>f</code></td>
      <td>float</td>
      <td></td>
      <td>3231.1231</td>
    </tr>
    <tr>
      <td><code>g</code> or <code>G</code></td>
      <td>float</td>
      <td>The shorter of <code>e</code>/<code>E</code> and <code>f</code>.</td>
      <td>3E14<br>3e14</td>
    </tr>
    <tr>
      <td><code>o</code></td>
      <td>integer</td>
      <td>Octal representation.</td>
      <td>610</td>
    </tr>
    <tr>
      <td><code>q</code></td>
      <td>string</td>
      <td>String in a form suitable to be safely read back by the Lua interpreter. The string is written between double quotes and all double quotes, new lines, embedded zeros, and backslashes are correctly escaped.</td>
      <td>"print(\"Hi\")"</td>
    </tr>
    <tr>
      <td><code>s</code></td>
      <td>string</td>
      <td></td>
      <td>Hello world!</td>
    </tr>
    <tr>
      <td><code>u</code></td>
      <td>integer</td>
      <td>Decimal representation.</td>
      <td>3131</td>
    </tr>
    <tr>
      <td><code>x</code> or <code>X</code></td>
      <td>integer</td>
      <td>Hexadecimal representation.</td>
      <td>7fa<br>7FA</td>
    </tr>
    <tr>
      <td><code>*</code></td>
      <td>any</td>
      <td>Equivalent to <code>s</code> but accepts any variable by converting it to a string using <code>Global.LuaGlobals.tostring()</code>.</td>
      <td>table: 0x0123456789abcdef</td>
    </tr>
    <tr>
      <td><code>%</code></td>
      <td></td>
      <td><code>%</code> followed by another <code>%</code> will return the <code>%</code> sign itself.</td>
      <td>%</td>
    </tr>
  </tbody>
</table>

```
local str = "The magic word is %s"
print(string.format(str, "Roblox"))
-- The magic word is Roblox

local str = "The magic word is %q"
print(string.format(str, "Roblox"))
-- The magic word is "Roblox"

local str = "Skip to \na new line and \nanother new line!"
print(string.format(str, "%q"))
--[[ Output:
Skip to
a new line and
another new line!
]]
```

#### Flags

<table>
<thead>
  <tr>
    <th>Flag</th>
    <th>Description</th>
  </tr>
</thead>
<tbody>
  <tr>
    <td><code>-</code></td>
    <td>Left-justify the given field width (see <code>Width</code> below). Right justification is the default.</td>
  </tr>
  <tr>
    <td><code>+</code></td>
    <td>Forces a "+" sign to precede a number. Has no effect on negative numbers.</td>
  </tr>
  <tr>
    <td>(space)</td>
    <td>One blank space is inserted before a positive number, while negative numbers are unaffected. This is useful for making positive and negative numbers vertically align in a visual stacked list.</td>
  </tr>
  <tr>
    <td><code>#</code></td>
    <td>When used with <code>o</code> and <code>x</code>/<code>X</code>, writes a 0 (octal) or 0x/0X (hex) before values other than zero.<br>When used with <code>e</code>/<code>E</code> and <code>f</code>, forces the output to contain a decimal point, even if no digits would follow (by default, no decimal point is written if no digits follow).<br>When used with <code>g</code> or <code>G</code>, the result is the same as with <code>e</code> or <code>E</code> but trailing zeros are not removed.</td>
  </tr>
  <tr>
    <td><code>0</code></td>
    <td>Left-pads the number with zeros instead of empty spaces (see <code>Width</code> below).</td>
  </tr>
</tbody>
</table>

```lua
local str = "%-10d"
print(string.format(str, 300) .. "]")
-- 300       ]
-- There are 7 spaces between '300' and ']'

local str = "%+i versus %+i"
print(string.format(str, 300, -300)) -- +300 versus -300

local str = "There is a% i%% chance of rain in Seattle today."
print(string.format(str, 100))
-- There is a 100% chance of rain in Seattle today.
```

#### Width

<table>
  <thead>
    <tr>
      <th>Width</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>(number)</td>
      <td>Minimum number of characters to return. If the number of characters to be formatted is less than this number, the result is padded with blank spaces.</td>
    </tr>
  </tbody>
</table>

```lua
local str = "%012i"
print("Score: " .. string.format(str, 15000))
-- Output: Score: 000000015000
-- The output has 12 digits total, left-padded with zeros
```

#### Precision

The default precision is 1. If you give a period without a value, the
default is 0.

<table>
  <thead>
    <tr>
      <th>Precision</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><code>.</code>(number)</td>
      <td>For integer specifiers (<code>d</code>, <code>i</code>, <code>o</code>, <code>u</code>, <code>x</code>/<code>X</code>), precision specifies the minimum number of digits to be returned. If the value to be formatted is shorter than this number, the result is padded with leading zeros. A precision of 0 means that no character is written for the value 0.<br>For <code>e</code>/<code>E</code> and <code>f</code> specifiers, this is the number of digits to be printed after the decimal point.<br>For <code>g</code>/<code>G</code> specifiers, this is the maximum number of digits (before the <code>e</code>/<code>E</code>, if present).<br>For <code>s</code>, this is the maximum number of characters to be returned.<br>For <code>c</code> and <code>q</code>, this has no effect.</td>
    </tr>
  </tbody>
</table>

```lua
-- Add decimal with precision of 2 for a currency output
local str = "$%.2f"
print(string.format(str, 300)) -- Output: $300.00

-- Return first 6 letters of a string
local str = "%.6s"
print(string.format(str, "Robloxian")) -- Output: Roblox

local str = "Once upon a time, there was a dragon named %s and it had %.8f horns."
print(string.format(str, "Pi", math.pi))
-- Output: Once upon a time, there was a dragon named Pi and it had 3.14159265 horns.
```


string.format

formatstring

Returns a formatted version of its variable number of arguments following
the description given in its first argument, which must be a string.


Returns an iterator function that returns the next captures from pattern
over the string `s` each time it's called.


string.gmatch

Short for global substitution. Returns a copy of `s` in which all (or the
first n, if given) occurrences of the pattern are substituted (replaced)
with the given `replacement`. The second value returned is the total
number of substitutions made.

The `replacement` can be one of several types, each used differently to
determine the actual string:

- string: The pattern is replaced with the string directly
- table: The string that matched the pattern is looked up in the table as
  a key, and the value (string) is what replaces it, if it exists.
- function: Called with the string that matched the pattern, should return
  the string to replace the matched pattern.

An optional final argument can be provided which specifies the maximum
number of substitutions to make (for example, stop after 2 replacements)

#### Various Examples

```lua
-- Simple replacement
string.gsub("I love tacos!", "tacos", "Roblox") --> I love Roblox! 1
-- Using a pattern (hint: %w+ matches whole words)
string.gsub("I like red!", "%w+", "word") --> word word word 3
-- Replacement table
string.gsub("I play Roblox.", "%w+", {I="Je", play="joue à"}) --> Je joue à Roblox. 3
-- Replacement function
string.gsub("I have 2 cats.", "%d+", function(n) return tonumber(n) * 12 end) --> I have 24 cats. 1
-- Replace only twice
string.gsub("aaa", "a", "b", 2) --> "bba", 2
```


string.gsub

The string whose occurrences of the given pattern shall be replaced.


replacement

Determines what should replace the occurrence(s) of the given pattern.


replacements

The maximum number of substitutions to make.


Returns a copy of `s` in which all or the first `n` occurrences of the
pattern are replaced with the given replacement. The second value returned
is the total number of substitutions made.


string.len

Returns a copy of a string with all uppercase letters changed to
lowercase.


string.lower

Looks for the first match of pattern in the string `s`. If a match is
found, it is returned; otherwise, it returns nil. A third, optional
numerical argument, init, specifies where to start the search; its default
value is 1 and can be negative.


string.match

Looks for the first match of pattern in the string `s`. If a match is
found, it is returned; otherwise, it returns nil. A third, optional
numerical argument, init, specifies where to start the search.


Returns a binary string containing the provided arguments. The first
argument, `format`, determines the way the remaining arguments are packed;
see [here](https://www.lua.org/manual/5.3/manual.html#6.4.2) for options.


string.pack

format

Returns a binary string containing the provided arguments.


Returns the size in bytes of any string packed with a given description.
The sole argument, `format`, determines the way the remaining arguments
are packed, but you cannot use `s` and `z` because they have variable
lengths. See [here](https://www.lua.org/manual/5.3/manual.html#6.4.2) for
options.


string.packsize

Returns the size in bytes of any string packed with a given description.


Returns a string that is the concatenation of `n` copies of the string
`s`.


string.rep

Returns a string that is the string `s` reversed.


string.reverse

Splits a string into parts based on the defined separator character(s),
returning a table of ordered results.

If an empty "slice" is located, that part will be returned as an empty
string. For instance `string.split("abc||def", "|")` will return a table
with three strings: `"abc"`, `""`, and `"def"`.

```lua
local values = input:split(",")
print(values[1], values[2], values[3])
```

Also note that whitespace from the original string will be preserved, for
example `string.split("abc _ def", "_")` will honor the whitespace on both
sides of the `_` separator. By default, the separator character is `,` but
you can specify an alternative character or series of characters.

**Corner Cases**

#### Empty String

```lua
"" --> ""
```

#### Empty Slices

```lua
"foo,,bar" --> "foo", "", "bar"
",foo" --> "", "foo"
"foo," --> "foo", ""
"," --> "", ""
",," --> "", "", ""
```

#### Whitespace Preserved

```lua
"   whitespace   " --> "   whitespace   "
"foo , bar" --> "foo ", " bar"
```

#### Invalid UTF-8

```lua
"\xFF" --> "\xFF"
"\xFD,\xFE" --> "\xFD", "\xFE"
```

#### Unicode

```lua
"，" --> U+FF0C FULLWIDTH COMMA
"我很高兴，你呢？" --> "我很高兴", "你呢？"
"•" --> U+2022 BULLET
"hello•world" --> "hello", "world"
```


string.split

separator

The separator character(s) to be used for splitting the string.


Splits a string into parts based on the defined separator character(s),
returning a table of ordered results.


Returns the substring of `s` that starts at `i` and continues until and
including `j`. `i` and `j` can be negative. `i` defaults to 1 and `j`
defaults to `-1`.


string.sub

Extracts the values packed in the provided binary string based on the
first argument, `format`, which should match the one originally used to
`Library.string.pack|pack()` the string; see
[here](https://www.lua.org/manual/5.3/manual.html#6.4.2) for options. The
optional third parameter determines the byte at which the reading starts.


string.unpack

data

readStart

The values packed into the provided binary string, plus the index of
the first unread byte.


Extracts the values packed in the provided binary string.


Returns a copy of a string with all lowercase letters changed to
uppercase.


string.upper

string

Provides generic functions to manipulate strings.


An object that runs connected functions upon a specific occurrence.

Data Type

RBXScriptSignal

Luau

Tuple

Variant

Data type having a value of either true or false.

bool

Functions are blocks of code that can execute multiple times on command.

function

A double-precision floating-point number.

number

A sequence of characters, such as letters, numbers, and symbols.

Data type which can store multiple values of any non-nil type, including booleans, numbers, strings, functions, and other tables.

table

Overview

Guides

Tutorials

Reference

Resources

Design

Engine

Avatar

Legacy

Cloud

This method is asynchronous and returns an `Operation`, which represents the current state of the operation. It contains an endpoint path that you can poll to obtain the real response and applicable metadata. See the [documentation]({longRunningOperationsLink}) on long-running operations for more information.
            
The following sections describe the response and metadata objects that are provided when an operation completes.

Beta endpoints are ready for public use. Breaking changes are possible but rare.

This field may be set when creating a resource, but may not be modified by subsequent requests.

This field may be provided in requests, but will never be included in responses.

Per API Key: {maxInPeriod} requests every {periodInSeconds} seconds per IP Address

This field may be set on responses, but will be ignored in requests.

The following API key permissions are required to call this endpoint. For more
information on generating proper keys, see [Managing API Keys]({apiKeyReferenceDocLink}).

The following endpoints are available at paths relative to the base URL.

This string is formatted as a [FieldMask](/cloud/reference/types#fieldmask).

A JSON value can be `null`, `boolean`, `string`, `number`, `array`, or `object`.

The following scopes are required for your OAuth 2.0 application to use this endpoint. For more information on how to register an OAuth 2.0 application, see [App Registration and Review]({oauth2ReferenceDocLink}).

The following objects describe payloads that are accepted or returned. See each individual endpoint for more information on when these objects are used.

This string is formatted as a [Timestamp](/cloud/reference/types#timestamp).

This allows viewing information about your assets.

This allows uploading and updating assets to Roblox.

Grants the ability to update badges owned by the user.

This allows viewing information about your commerce items.

This allows editing of your commerce merchant connections.

This allows you to view information about your Creator Store products.

This allows you to modify information about your Creator Store products.

This allows viewing information about your communities.

This allows you to manage community join requests and role updates for your account.

This allows viewing information about your inventory.

Grants access to mange your badges and spend robux.

Grants access to manage your developer products.

Grants access to read information about the experiences you follow.

Grants access to follow and unfollow experiences on your behalf.

Grants access to manage your communities.

Grants permission to read community information.

Grants access to read and write your localization tables

Grants access to manage team collaboration for all experiences you own.

Grants access to manage your experiences and certain information associated with your experiences (e.g. localization information).

Grants access to read your experiences' localization information.

Grants access to modify your experiences' localization preferences.

Grants access to manage your user account.

Grants access to modify user localization preferences.

This grants the ability to publish messages on behalf of users.

This allows sending notifications from your experience to users.

This allows listing secrets associated with your experience.

This allows creating and updating secrets associated with your experience.

Grants access to read about your subscription products.

Grants the ability to read place information.

Grants the ability to edit place information.

This operation grants access to publish new versions of experiences to Roblox.

Grants the ability to read experience information.

Grants the ability to edit experience information.

Allows you to view user restrictions in the experience.

Allows you to edit user restrictions in the experience.

Grants the ability to read user's premium and verified status.

This allows you to view a user's social accounts.

This enables Single Sign-On functionality.

This grants access to read your profile information.

Default Value: {defaultValueStart}{defaultValueEnd}

An array is an ordered list of values. Arrays are useful for storing collections of data.

A set of key-value pairs, where the keys can be any number, string, or object.

This function returns immediately if possible, but can yield the thread that called it until it can return a value.

{nameStart}name{nameEnd} is no longer supported or maintained by Roblox.

This math operation is no longer supported or maintained by Roblox.

This member doesn’t appear in the object browser and is not intended for widespread use.

This member is only accessible only through the command bar. Attempting to access this member from scripts causes an error.

This function can’t pause the Lua thread that called it.

Attempting to access this member in scripts causes an error. You might be able to access this member from Roblox Studio's property window.

This member doesn’t appear in Roblox Studio’s Object Browser.

You can’t create an instance of this class with the Instance.new constructor.

Roblox does not replicate this member across its server-client boundary.

Lua code can’t access this member. You might be able to change its value from the property window in Roblox Studio.

This member is accessible from OpenCloud Luau execution tasks.

This object’s replication behavior is dependent on the player who owns it.

This member is accessible through the command bar and plugins. Attempting to access this member from scripts causes an error.

This member is read only. Attempting to write to this member causes an error.

This property is read-only and is safe to read in unsynchronized threads. Attempting to write to it causes an error.

This member is accessible only in CoreScripts.

Only Roblox CoreScripts can access this member, and it isn’t usable by Players.

You can read and write to this property safely from multiple threads.

This class is a top-level singleton. Retrieve an instance of this class with the GetService function.

Multiple threads can potentially write to this property, so it’s unsafe to read from unsynchronized threads.

This function pauses the Lua thread that called it until it returns a result. This doesn’t interrupt other scripts.

Manage and analyze all your experiences in one convenient place.

Learn with documentation and resources for all creators.

Learn how to create Roblox experiences with guides, tutorials, and code samples.

Build your experiences in Studio, our all-in-one IDE, and deploy to a wide variety of devices.

Dependable ways to offer value over time to your audience

Learn how to create successful ads that drive traffic to your creations

Chart your experience's growth and discover opportunities to improve

Learn how to apply movement to your characters and environments

Learn how to upload or use assets from Store in your creations

Create Avatar items and publish it to Marketplace

Sorted by highest revenue over the last 7 days

Learn about what you can make and sell on the marketplace

The avatar represents every Roblox user as a customizable character

See this thread of cool creations being built by the community

Learn basic modeling techniques in blender

Find models, scripts, and plugins made by other creators

Learn how to configure characters to ensure all avatar features work properly

Learn how to create objects that interact with the world or other users

Make and sell your first basic clothing item on Roblox

Use Studio's collaboration tools to work with your team at the same time

Check out what’s trending on the Creator Marketplace

Check out what's trending on the Creator Store

Participate in community events held by other Creators

Find tutorials written by the Creator community

Keep players engaged and monetized with content updates

Captivate your audience with an enjoyable gameplay cycle

Drive engagement and progress with fun, repetitive gameplay

Learn how to create a sliding door without writing any code

Alex shares first-hand experience behind creating the hit experience, JailBreak

Blake found a passion in making realistic, quirky carnival games

The Clemens are the family-owned studio behind hits like The Survival Game

Jasmine is the artist behind some of the most popular avatar items on Marketplace

Jessica is the designer behind imaginative environments like in Alo Yoga

Jenni is the UGC creator and artist behind many popular collaborations

Morphist’s unique style combines cutesy and emo aesthetics

The Riotfall creators travel to find inspiration for their immersive environments

Stephen shares their love of programming tools

Sam shares how they got started designing fashion items that they wish existed

All objects that make up a 3D world, such as parts and lighting

Learn about the range of debugging tools available in Studio

See your progress towards your next cash out!

Use the developer console to debug your experience when testing

Adding subscriptions to your experience helps build long term relationships with your user base. Enable subscriptions before December 15, 2023, and enjoy 3 months of lower rates.

Look at the top Experiences out to get inspiration

Get started with Studio, Roblox’s creation engine

Add a few lines of code to unlock new dashboards to understand your onboarding and other funnels and track your in-game economy.

Build live, cross-server events and cutscenes on a structured sequence

Learn how to create timed events for your experiences

Create time-based events for increased discoverability across Roblox. Announce your latest update, highlight an activity, or celebrate a milestone with your players!

Learn about how to target the age group right for your Creation through Experienced Guidelines

Gain knowledge and expertise directly from Roblox

Learn how to implement a friend invite reward system

Understand the basics of how to create a game

Learn how you can control how your data is used to train AI. {linkStart}Read More{linkEnd}

Easily create custom textures using our AI tools

Use our all-in-one creation engine to build anything you can imagine

PolarCub shares all the tips tricks to make UGC items

Leverage Guilded to build a community for your Creation

Join our incredible cast of creators for a Halloween game jam

Use the head part to create facial animations or trigger emotes

Using metrics to understand where you can improve your gameplay

Figure out how to keep them coming back to your game

User input allow users to interact with your experience environment

Guide players through their first time playing your experience

Create clothing that stretchs and fit over any avatar body

At Roblox, we believe you learn best by doing. Choose one of our guides to explore more of what the platform offers.

Get help writing code and answers to your creation questions

The Lighting and SoundService let you control environmental effects

Learn how to adapt your content to different languages and cultural norms

This walkthrough covers attachments, beams, and some basic scripting concepts that shows you how to set player health to 0 if they touch something

Cultivating an active player base is an instrumental part of developing a successful and enduring game.

Get started with the performance optimization and troubleshooting tool

Microprofiler provides timing information for the task scheduler

Dive deep into frame colors, flame graphs, and more

Understand how to use metrics to be more successful

Improve the performance of computationally intensive Luau scripts

View your daily benchmarks, insights, and real-time metrics to take {boldStart}{experienceName}{boldEnd} to the next level.

Learn how to use NPCs (non-player characters) in your experiences

@minty creates an obby live from scratch using suggestions from chat

Our platform provides you with unparalleled opportunities to create. Get started by exploring the Creator Hub, Roblox Studio, and our vibrant Creator community.

Our platform provides you with unparalleled opportunities to create.

Our community of award-winning studios and self-taught creators all started here, just like you. 

A principal environment artist at Roblox covers how and why to use packages

Staff stream about gravity, material properties, and constraints

Learn about what happens when a user joins an experience

Plugins add additional features or functionality to your creations

Let's tour PolarCub's UGC Homestore! Also, Temprist shows up.

Learn how to drive traffic and awareness to your creations

Catch up on all the highlights from this year's RDC

Learn about what’s possible with our creation engine

Learn hwo to rig an R15 humanoid character model

Make and sell your first basic rigid accessory on Roblox

Get a preview of some of the new features and capabilities coming soon to Roblox

Studio is the tool that lets you create experiences on Roblox

Learn how to use the script editor in Studio to create custom scripts

Scripting lets you add immersive interactions for your users

Learn Studio shortcuts and key commands that make building quicker

Learn how to integrate features that allow players to play with friends

Create a Sponsored Ad to get your Creation in front of more Creators

Studio is an all-in-one tool for building on Roblox. Try making something today!

Learn how to offer players recurring benefits for a monthly fee

Grow your experience with the help of other Creators

Use the terrain editor to generate and alter terrain in Studio

Experiences like {boldStart}{experienceName}{boldEnd} saw an average +8.5% lift in qualified play through rate with personalization.

Translations can help your Creation reach tons of different audiences

Tour the new UGC Homestore template with Minty and SCHLEEMPH

Learn about how to build for Roblox's unique audience

What are they and how you can use them to build

Watch a quick introduction to creating on Roblox, then jump into Studio

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Workspace holds objects that you want the engine to render in your project

Staff stream covering parts, meshes, terrain, and lighting

string

Summary

Functions

Functions

byte

Parameters

Returns

char

Parameters

Returns

find

Parameters

Returns

format

Parameters

Returns

gmatch

Parameters

Returns

gsub

Parameters

Returns

len

Parameters

Returns

lower

Parameters

Returns

match

Parameters

Returns

pack

Parameters

Returns

packsize

Parameters

Returns

rep

Parameters

Returns

reverse

Parameters

Returns

split

Parameters

Returns

sub

Parameters

Returns

unpack

Parameters

Returns

upper

Parameters

Returns