diff --git a/textminer/extractor.py b/textminer/extractor.py
index e69de29..c85d38e 100644
--- a/textminer/extractor.py
+++ b/textminer/extractor.py
@@ -0,0 +1,23 @@
+import re
+
+text = """Dear Mr. Davis,
+
+I got to know of your company through our mutual friend Fiona Williams and the
+training you offer to graduate students in Advertising.
+
+I am a graduate student of Mass Communications with specialization in
+Advertising.  I am currently pursuing the last year of my course.
+I would very much like to see firsthand the work environment in an advertising
+agency.
+
+If you would like a reference, my advisor can be reached at (454) 999-1212.
+
+You can contact me at (919) 123-4569 at your convenience."""
+
+
+
+def phone_numbers(text):
+    phone_book = re.findall(r"\(?(\d{3})\)?[\.\-]?\s*(\d{3})[\.\-]?(\d{4})", text)
+    return phone_book
+
+print(phone_numbers(text))
diff --git a/textminer/tests/test_validator.py b/textminer/tests/test_validator.py
index b7e1364..2b3c07c 100644
--- a/textminer/tests/test_validator.py
+++ b/textminer/tests/test_validator.py
@@ -4,7 +4,7 @@
 import textminer.validator as v
 
 
-@xfail
+# @xfail
 def test_binary_numbers():
     assert v.binary("0")
     assert v.binary("1")
@@ -15,7 +15,7 @@ def test_binary_numbers():
     assert not v.binary("911")
 
 
-@xfail
+# @xfail
 def test_binary_even():
     """String must be a binary number and be even."""
 
@@ -24,7 +24,7 @@ def test_binary_even():
     assert not v.binary_even("1011")
 
 
-@xfail
+# @xfail
 def test_hexadecimal():
     assert v.hex("CAFE")
     assert v.hex("9F9")
@@ -34,7 +34,7 @@ def test_hexadecimal():
     assert not v.hex("COFFEE")
 
 
-@xfail
+# @xfail
 def test_word():
     assert v.word("hello")
     assert v.word("wonderful")
@@ -47,7 +47,7 @@ def test_word():
     assert not v.word("bar*us")
 
 
-@xfail
+# @xfail
 def test_words():
     """words can take an optional count argument. In case it exists, the text
     must match that number of words."""
@@ -69,7 +69,7 @@ def test_words():
     assert not v.words("18-wheeler tarbox", count=3)
 
 
-@xfail
+# @xfail
 def test_phone_numbers():
     """US phone numbers only."""
 
diff --git a/textminer/validator.py b/textminer/validator.py
index e69de29..46e8125 100644
--- a/textminer/validator.py
+++ b/textminer/validator.py
@@ -0,0 +1,22 @@
+import re
+import collections
+
+def binary(string):
+    return re.findall(r"(\A[01]+)", string)
+
+def binary_even(string):
+    if binary(string):
+        return re.findall(r"[0]\Z", string)
+
+def hex(string):
+    return re.findall(r"(\b[A-Fa-f0-9]{1,}\b)", string)
+
+def word(string):
+    return re.findall(r"[\w-]+\w[^\*!]$", string)
+#
+# def words(string, count=None):
+#     if word(string) != []:
+#         return (word(string), count)
+
+def phone_number(string):
+    return re.findall(r"\b\(?\d{,3}\)?[-.\s]?\d{,3}[-.]?\d{,4}\b", string)