+ (every #'is-char-whitespace str))
+
+(defun string-right-trim-whitespace (str)
+ (string-right-trim *whitespace-chars* str))
+
+(defun string-left-trim-whitespace (str)
+ (string-left-trim *whitespace-chars* str))
+
+(defun string-trim-whitespace (str)
+ (string-trim *whitespace-chars* str))