diff --git a/lib/anchor_end.js b/lib/anchor_end.js
index 56e8b85..b80c58d 100644
--- a/lib/anchor_end.js
+++ b/lib/anchor_end.js
@@ -1,3 +1,5 @@
 module.exports = function (str) {
   // TOOD
-}
\ No newline at end of file
+  var regex = /BANANAS$/;
+    return regex.test(str);
+}
diff --git a/lib/anchor_start.js b/lib/anchor_start.js
index 56e8b85..2fa0292 100644
--- a/lib/anchor_start.js
+++ b/lib/anchor_start.js
@@ -1,3 +1,5 @@
 module.exports = function (str) {
   // TOOD
-}
\ No newline at end of file
+  var regex = /^LITERALLY/;
+  return regex.test(str);
+}
diff --git a/lib/char_class.js b/lib/char_class.js
index a08ee57..667e33d 100644
--- a/lib/char_class.js
+++ b/lib/char_class.js
@@ -1,3 +1,5 @@
 module.exports = function (str) {
   // TODO
-}
\ No newline at end of file
+    var regex = /^[^bA-Z]/;
+    return regex.test(str);
+}
diff --git a/lib/negated_char_class.js b/lib/negated_char_class.js
index a08ee57..c8fa10e 100644
--- a/lib/negated_char_class.js
+++ b/lib/negated_char_class.js
@@ -1,3 +1,5 @@
 module.exports = function (str) {
   // TODO
-}
\ No newline at end of file
+  var regex = /^[^0-9][^A-Z]/;
+    return regex.test(str);
+}