WIP

9-regular-expressions/04-regexp-anchors/1-start-end/solution.md

@@ -0,0 +1,5 @@
+An empty string is the only match: it starts and immediately finishes.
+
+The task once again demonstrates that anchors are not characters, but tests.
+
+The string is empty `""`. The engine first matches the `pattern:^` (input start), yes it's there, and then immediately the end `pattern:$`, it's here too. So there's a match.

9-regular-expressions/04-regexp-anchors/1-start-end/task.md

@@ -0,0 +1,3 @@
+# Regexp ^$
+
+Which string matches the pattern `pattern:^$`?