Make regex-lines replace all matches.
diff --git a/files.lisp b/files.lisp
index 6f8e23c..f8818b5 100644
--- a/files.lisp
+++ b/files.lisp
@@ -179,7 +179,7 @@ Return NIL otherwise."
(defun regex% (regex string replace match-fun output)
(cond
(replace (multiple-value-bind (replaced matched)
- (cl-ppcre:regex-replace regex string replace)
+ (cl-ppcre:regex-replace-all regex string replace :simple-calls t)
(when (and match-fun matched)
(funcall match-fun replaced))
(when output