#!/usr/bin/env bellos
# File: string_manipulation.bellos

# Demonstrating string manipulation

string="Hello, Bellos!"

# String length
echo "Length of string: ${#string}"

# Substring
echo "First 5 characters: ${string:0:5}"

# String replacement
new_string=${string/Bellos/World}
echo "Replaced string: $new_string"

# Converting to uppercase
echo "Uppercase: ${string^^}"

# Converting to lowercase
echo "Lowercase: ${string,,}"