Skip to main content
freelanceshack.com

Back to all posts

How to Concatenate Strings In Lua?

Published on
3 min read
How to Concatenate Strings In Lua? image

Best String Manipulation Guides to Buy in October 2025

1 Manipulation: Cutting the Strings of Control (Hope for the Heart)

Manipulation: Cutting the Strings of Control (Hope for the Heart)

BUY & SAVE
$5.99
Manipulation: Cutting the Strings of Control (Hope for the Heart)
2 Who's Pulling Your Strings?: How to Break the Cycle of Manipulation and Regain Control of Your Life

Who's Pulling Your Strings?: How to Break the Cycle of Manipulation and Regain Control of Your Life

BUY & SAVE
$11.61
Who's Pulling Your Strings?: How to Break the Cycle of Manipulation and Regain Control of Your Life
3 Pointers in C Programming: Comprehensive Coverage of Manipulation Techniques, Arrays, Strings, Memory and Advanced Topics

Pointers in C Programming: Comprehensive Coverage of Manipulation Techniques, Arrays, Strings, Memory and Advanced Topics

BUY & SAVE
$19.99
Pointers in C Programming: Comprehensive Coverage of Manipulation Techniques, Arrays, Strings, Memory and Advanced Topics
4 You Will Live a Miserable and Unhappy Life If Your Love for People Is Based on What They Can Do for You: A brutally honest guide to loving without scorekeeping, control, or strings

You Will Live a Miserable and Unhappy Life If Your Love for People Is Based on What They Can Do for You: A brutally honest guide to loving without scorekeeping, control, or strings

BUY & SAVE
$12.99
You Will Live a Miserable and Unhappy Life If Your Love for People Is Based on What They Can Do for You: A brutally honest guide to loving without scorekeeping, control, or strings
5 Allparts Round String Guides

Allparts Round String Guides

  • DURABLE NICKEL CONSTRUCTION FOR LONG-LASTING PERFORMANCE.
  • INCLUDES TWO GENUINE ALLPARTS FOR ADDED VALUE.
  • TRUSTED QUALITY ENSURES RELIABLE USE IN YOUR PROJECTS.
BUY & SAVE
$12.49
Allparts Round String Guides
6 Definitive Guide to Warehousing, The: Managing the Storage and Handling of Materials and Products in the Supply Chain (Council of Supply Chain Management Professionals)

Definitive Guide to Warehousing, The: Managing the Storage and Handling of Materials and Products in the Supply Chain (Council of Supply Chain Management Professionals)

BUY & SAVE
$85.35 $89.99
Save 5%
Definitive Guide to Warehousing, The: Managing the Storage and Handling of Materials and Products in the Supply Chain (Council of Supply Chain Management Professionals)
7 A Student's Guide to Python for Physical Modeling

A Student's Guide to Python for Physical Modeling

BUY & SAVE
$17.95 $24.95
Save 28%
A Student's Guide to Python for Physical Modeling
8 Stitch, Fabric & Thread: An inspirational guide for creative stitchers

Stitch, Fabric & Thread: An inspirational guide for creative stitchers

BUY & SAVE
$20.30 $24.95
Save 19%
Stitch, Fabric & Thread: An inspirational guide for creative stitchers
9 PSI - Stainless Steel 304 Vinyl Coated 3/16" Wire Rope 7x19 Strand 1/8” Core, Custom Cut and Made to Order Outdoor String Light Guide Wire Clothesline Security Safety Cable (20 feet, Clear)

PSI - Stainless Steel 304 Vinyl Coated 3/16" Wire Rope 7x19 Strand 1/8” Core, Custom Cut and Made to Order Outdoor String Light Guide Wire Clothesline Security Safety Cable (20 feet, Clear)

  • DURABLE 7X19 STAINLESS STEEL, OFFERING 1760 LBS BREAKING STRENGTH.
  • CORROSION-RESISTANT PVC COATING FOR LONG-LASTING FLEXIBILITY.
  • VERSATILE FOR DOG LEADS, DECORATIONS, AND CABLE ORGANIZATION.
BUY & SAVE
$17.11
PSI - Stainless Steel 304 Vinyl Coated 3/16" Wire Rope 7x19 Strand 1/8” Core, Custom Cut and Made to Order Outdoor String Light Guide Wire Clothesline Security Safety Cable (20 feet, Clear)
10 Parsing and Manipulating Strings in PowerShell (Micro Learning | PowerShell)

Parsing and Manipulating Strings in PowerShell (Micro Learning | PowerShell)

BUY & SAVE
$5.90
Parsing and Manipulating Strings in PowerShell (Micro Learning | PowerShell)
+
ONE MORE?

Concatenating strings in Lua is quite simple. To merge two or more strings together, you can use the concatenation operator (..). This operator combines the contents of two strings and returns a new string. Here is an example:

local str1 = "Hello" local str2 = "world" local str3 = str1 .. " " .. str2 print(str3) -- Output: Hello world

In this example, we define two variables str1 and str2 containing the strings "Hello" and "world" respectively. Using the concatenation operator, we can merge these two strings along with the space in between. The resulting string is stored in str3, which, when printed, displays "Hello world".

What is the difference between string concatenation and string concatenation assignment in Lua?

In Lua, string concatenation is the process of combining two or more strings together to create a new string. The concatenation operator in Lua is the concatenation symbol ...

For example:

local str1 = "Hello" local str2 = "world" local result = str1 .. " " .. str2 print(result) -- Output: Hello world

On the other hand, string concatenation assignment is a shorthand notation that combines string concatenation and assignment into a single operation. It is denoted by the assignment operator = followed by the concatenation symbol ...

For example:

local str1 = "Hello" local str2 = "world" str1 = str1 .. " " .. str2 print(str1) -- Output: Hello world

Using string concatenation assignment allows you to modify an existing string variable directly without the need to create a new variable. It simplifies the code by combining the concatenation and assignment operations into one line.

How do I join multiple strings together in Lua?

In Lua, you can use the concatenation operator .. to join multiple strings together. Here's an example:

local str1 = "Hello" local str2 = "world" local str3 = "!"

local result = str1 .. " " .. str2 .. str3 print(result) -- Output: Hello world!

In the above example, the .. operator is used to concatenate str1, a space " ", str2, and str3 together, resulting in the string "Hello world!".

How to concatenate strings using the table.concat function in Lua?

To concatenate strings using the table.concat function in Lua, you need to create a table containing the strings you want to concatenate, and then use the table.concat function to concatenate them together. Here's an example:

-- Create a table of strings to concatenate local strings = {"Hello", " ", "World", "!"}

-- Use table.concat to concatenate the strings local result = table.concat(strings)

-- Print the result print(result)

Output:

Hello World!

You can also specify a delimiter string as the second argument to table.concat if you want to separate the concatenated strings with a specific character or string. Here's an example with a delimiter:

-- Create a table of strings to concatenate local strings = {"Apple", "Orange", "Banana"}

-- Use table.concat with a delimiter local result = table.concat(strings, ", ")

-- Print the result print(result)

Output:

Apple, Orange, Banana

In the above example, each string in the table is separated by ", " in the result.