Skip to content

Strings

String methods

  • str_len() - returns the length of the string.
  • str_find(string, index) - returns the character at the specified index.
  • str_slice(string, start, end) - returns the substring from the specified start index to the specified end index
methods.rn
1
2
3
4
5
6
7
const str = "Hello, World!"

print(str_len(str)) # 13
print(str_find(str, 0)) # H
print(str_find(str, 1)) # e

print(str_slice(str, 0, 5)) # Hello

String operators

  • + (concatenation)
  • * (repetition)
operators.rn
1
2
3
4
const str = "Hello, World!"

print(str + " " + "Hello, World!") # Hello, World! Hello, World!
print(str * 2) # Hello, World!Hello, World!

String type casting

  • str() - converts any value to a string
casting.rn
1
2
3
4
print(str(123)) # 123
print(str(123.456)) # 123.456
print(str(true)) # true
print(str(false)) # false

String type checking

  • is_str() - returns true if the value is a string, otherwise false
typechecks.rn
1
2
3
4
5
print(is_str("Hello, World!")) # true
print(is_str(123)) # false
print(is_str(123.456)) # false
print(is_str(true)) # false
print(is_str(false)) # false