From 0f65c3986f46d0399e8871dc1d1d69c435bda185 Mon Sep 17 00:00:00 2001
From: Saiful <msisaifulsaif@gmail.com>
Date: Sun, 17 Jan 2021 18:08:55 +0600
Subject: [PATCH] the type name is lookbehind instead of lookahead

---
 .../1-find-non-negative-integers/solution.md                    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/9-regular-expressions/14-regexp-lookahead-lookbehind/1-find-non-negative-integers/solution.md b/9-regular-expressions/14-regexp-lookahead-lookbehind/1-find-non-negative-integers/solution.md
index a824409f..ebc12689 100644
--- a/9-regular-expressions/14-regexp-lookahead-lookbehind/1-find-non-negative-integers/solution.md
+++ b/9-regular-expressions/14-regexp-lookahead-lookbehind/1-find-non-negative-integers/solution.md
@@ -1,7 +1,7 @@
 
 The regexp for an integer number is `pattern:\d+`.
 
-We can exclude negatives by prepending it with the negative lookahead: `pattern:(?<!-)\d+`.
+We can exclude negatives by prepending it with the negative lookbehind: `pattern:(?<!-)\d+`.
 
 Although, if we try it now, we may notice one more "extra" result: