Scripting Book/Chapter 5

Introduction

Hello!! In this chapter we will learn what a string is and learn how to manipulate one.

What is a string?

A string is something that holds text. In a script, to tell the script we are going to create a string, we write some text and put speechmarks around the text.

Where is it best used?

A string can be used to its full potential in StringValues, we will learn about values later. They can also be used in messages as we did earlier.

Where would I use it?

In the earlier chapters when we created messages and gave them text, they were strings.

m.Text = "Hello!" -- String
m.Text = Hello! -- Not a string, will error

Hello = "Hello!" -- String
m.Text = Hello -- Variable redirecting to a string

What else is there to a string?

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string.len

What does string.len do? string.len returns the amount of characters in a string.

Example

soul = "Wuzzup Broski?"
print(string.len(soul))

> 14

That prints 14 because there are 14 characters in the string 'Wuzzup Broski?'.

string.len can also be used in the form of a method.

Example

soul = "Wuzzup Broski?"
print(soul:len())

> 14

Instead of using string.len we can just put #STRING to return the length of the string.

Example

soul = "Wuzzup Broski?"
print(#soul)

> 14

string.lower

What does string.lower do? string.lower makes all characters of the string lowercase.

Example

p = "HELLO"
print(string.lower(p))

> hello

string.upper

What does string.upper do? string.upper makes all characters of the string capitals.

Example

p = "hello"
print(string.upper(p))

> HELLO

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