t3x.org / sketchy / library / s-cigep.html
SketchyLISP
Reference
  Copyright (C) 2006
Nils M Holm

string-ci>=?

Conformance: R5RS

Purpose: Case-insensitively test whether two strings are in lexically non-ascending order.

Arguments:
X - string
Y - string

Implementation:

(define (string-ci>=? x y)
  (eq? (string-ci<? x y) #f))

Example:

(string-ci>=? "XYZ" "xyz") 
=> #t

See also:
string>=?, string-ci<?, string-ci=?, string-ci>?, string-ci<=?, char-ci>=?, equal?.