diff --git a/spec/stdlib/underscore-extensions-spec.coffee b/spec/stdlib/underscore-extensions-spec.coffee
index 1ad7130a8..5ae310cde 100644
--- a/spec/stdlib/underscore-extensions-spec.coffee
+++ b/spec/stdlib/underscore-extensions-spec.coffee
@@ -30,3 +30,27 @@ describe "underscore extensions", ->
       expect(_.endsWith("test.txt", ".txt2")).toBeFalsy()
       expect(_.endsWith("test.txt", ".tx")).toBeFalsy()
       expect(_.endsWith("test.txt", "test")).toBeFalsy()
+
+  describe "camelize(string)", ->
+    it "converts `string` to camel case", ->
+      expect(_.camelize("corey_dale_johnson")).toBe "coreyDaleJohnson"
+      expect(_.camelize("corey-dale-johnson")).toBe "coreyDaleJohnson"
+      expect(_.camelize("corey_dale-johnson")).toBe "coreyDaleJohnson"
+      expect(_.camelize("coreyDaleJohnson")).toBe "coreyDaleJohnson"
+      expect(_.camelize("CoreyDaleJohnson")).toBe "CoreyDaleJohnson"
+
+  describe "dasherize(string)", ->
+    it "converts `string` to use dashes", ->
+      expect(_.dasherize("corey_dale_johnson")).toBe "corey-dale-johnson"
+      expect(_.dasherize("coreyDaleJohnson")).toBe "corey-dale-johnson"
+      expect(_.dasherize("CoreyDaleJohnson")).toBe "corey-dale-johnson"
+      expect(_.dasherize("corey-dale-johnson")).toBe "corey-dale-johnson"
+
+  describe "underscore(string)", ->
+    it "converts `string` to use underscores", ->
+      expect(_.underscore("corey-dale-johnson")).toBe "corey_dale_johnson"
+      expect(_.underscore("coreyDaleJohnson")).toBe "corey_dale_johnson"
+      expect(_.underscore("CoreyDaleJohnson")).toBe "corey_dale_johnson"
+      expect(_.underscore("corey_dale_johnson")).toBe "corey_dale_johnson"
+
+
diff --git a/src/stdlib/underscore-extensions.coffee b/src/stdlib/underscore-extensions.coffee
index be1245349..df5865b24 100644
--- a/src/stdlib/underscore-extensions.coffee
+++ b/src/stdlib/underscore-extensions.coffee
@@ -69,6 +69,25 @@ _.mixin
     else
       "#{count} #{plural}"
 
+  camelize: (string) ->
+    string.replace /[_-]+(\w)/g, (m) -> m[1].toUpperCase()
+
+  dasherize: (string) ->
+    string = string[0].toLowerCase() + string[1..]
+    string.replace /([A-Z])|(_)/g, (m, letter, underscore) ->
+      if letter
+        "-" + letter.toLowerCase()
+      else
+        "-"
+
+  underscore: (string) ->
+    string = string[0].toLowerCase() + string[1..]
+    string.replace /([A-Z])|(-)/g, (m, letter, dash) ->
+      if letter
+        "_" + letter.toLowerCase()
+      else
+        "_"
+
   losslessInvert: (hash) ->
     inverted = {}
     for key, value of hash