String-Begins-With?

(string-begins-with? string1 string2) -> boolean

Returns true if string1 begins with string2. Otherwise, returns false.

Examples:

>>(string-begins-with? "food" "f")
:: #t
>>(string-begins-with? "food" "d")
:: #f
>>(string-begins-with? "food" "fo")
:: #t

Compare with: string-ends-with?