Recognizer for alists whose keys are strings. Used to implement and extend regex-get.
(string-keyed-alist-p x) → *
Function:
(defun string-keyed-alist-p (x) (declare (xargs :guard t)) (let ((__function__ 'string-keyed-alist-p)) (declare (ignorable __function__)) (cond ((atom x) (null x)) (t (and (consp (car x)) (stringp (caar x)) (string-keyed-alist-p (cdr x)))))))