Use `int(“123”)` in Python
Use `Integer.parseInt(“123”)` in Java
Use `strconv.Atoi(“123”)` in Go
Use `std::stoi(“123”)` in C++
Use `parseInt(“123”)` in JavaScript
Use `Convert.ToInt32(“123”)` in C#
Use `int(“123”)` in Ruby
Use `int(“123”)` in PHP
Use `String.to_i` in Ruby
Use `Number(“123”)` in JavaScript
Use `float(“123”)` then cast to integer if needed
Handle invalid input with try-catch or try-except
Trim whitespace before conversion
Validate that the string contains only digits before conversion
