Strings

String-Alphabetic

(string-alphabetic? [string]) -> boolean

Determines whether all ’letters’ in the string are alphabetic.

(string-alphabetic? "123")
#false (string-alphabetic? "abc")
#true

String-Append

(string-append [string] [string] [string] ...) -> string

Concatenates the characters of several strings.

(string-append "hello" " " "world" " " "good bye")
"hello world good bye"

String-Length

(string-length [string]) → natural

Determines the length of a string.

(string-length "hello world")
11