diff --git a/lib/meta.js b/lib/meta.js
index a08ee57..ffa6994 100644
--- a/lib/meta.js
+++ b/lib/meta.js
@@ -1,3 +1,4 @@
 module.exports = function (str) {
-  // TODO
-}
\ No newline at end of file
+   var regex1 = /\.$/
+   return regex1.test(str);
+}
diff --git a/lib/quantifier.js b/lib/quantifier.js
index a08ee57..e643884 100644
--- a/lib/quantifier.js
+++ b/lib/quantifier.js
@@ -1,3 +1,4 @@
 module.exports = function (str) {
-  // TODO
-}
\ No newline at end of file
+  var regex1 =  /\d+\.(jpeg)|(jpg)$/
+  return regex1.test(str);
+}
diff --git a/lib/split.js b/lib/split.js
index a08ee57..bd1c92a 100644
--- a/lib/split.js
+++ b/lib/split.js
@@ -1,3 +1,4 @@
 module.exports = function (str) {
-  // TODO
-}
\ No newline at end of file
+  var regex1 = /[\n|\r|\s]*,[\n|\r|\s]*/g;
+  return str.split(regex1);
+}