What does N Do in Lua?

What does N Do in Lua?

Lua – Strings

Escape Sequence	Use
\n	New line
\r	Carriage return
\t	Tab
\v	Vertical tab

How do you break a line in Lua?

How to break a long line in Lua

1. code convention – Andrei Suvorkov May 19 ’18 at 6:37.
2. Lua syntax doesn’t have a concept of “line”, so there is no difference between space and newline, both are separators. You can replace any (syntactical!) space with a newline.

What are control characters in Lua?

In Lua patterns, the character class %p represents all punctuation characters, the character class %c represents all control characters, and the character class %s represents all whitespace characters.

Whats a string in Lua?

Strings have the usual meaning: a sequence of characters. Lua is eight-bit clean and so strings may contain characters with any numeric value, including embedded zeros. That means that you can store any binary data into a string. Strings in Lua are immutable values.

Is string a Lua?

Lua is a dynamically typed language. There are no type definitions in the language; each value carries its own type. The last example will result in “string” no matter the value of X , because the result of type is always a string.

How do I comment multiple lines in Lua?

A comment starts with a double hyphen ( — ) anywhere outside a string. They run until the end of the line. You can comment out a full block of code by surrounding it with –[[ and –]] . To uncomment the same block, simply add another hyphen to the first enclosure, as in —[[ .

What does percent mean in Lua?

hexadecimal digits. %z. the character with representation 0. An upper case version of any of those classes represents the complement of the class. For instance, ‘ %A ‘ represents all non-letter characters: print(string.gsub(“hello, up-down!”, “

How do you manipulate strings in Lua?

This guide discusses how to manipulate and match strings in Lua….String Functions.

Function	Description
string.len()	Returns the length of a string (number of characters).
string.lower()	Changes uppercase characters in a string to lowercase.
string.match()	Extracts substrings by matching patterns in a string.

How do I replace a string in Lua?

Replace text in a string

1. — replace “hello” with “Lua says hello”
2. local s = “hello world”
3. x = s:gsub( “hello”, “Lua says hello”)
4. –> x=”Lua says hello world”
5. — use a capture to duplicate (replace twice) each word in the string.
6. local s = “hello world”
7. x = s:gsub( “(%w+)”, “%1 %1”)
8. –> x=”hello hello world world”