diff --git a/cltk/corpus/persian/alphabet.py b/cltk/corpus/persian/alphabet.py
index e3f253c0f..40ff55993 100644
--- a/cltk/corpus/persian/alphabet.py
+++ b/cltk/corpus/persian/alphabet.py
@@ -1,22 +1,148 @@
 """Persian alphabet"""
 
+__author__ = "Iman Nazari"
 
-#Persian digits from 0 to 9
-DIGITS = ['۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹']
+# HAMZEH Family
+HAMZEH = '\u0621'
+ALEF_WITH_MAD = '\u0622'
+ALEF_WITH_HAMZEH_ABOVE = '\u0623'
+VE_WITH_HAMZA_ABOVE = '\u0624'
+ALEF_WITH_HAMZEH_BELOW = '\u0625'
+YE_WITH_HAMZA_ABOVE = '\u0626'
 
-#Diacritics
-SHORT_VOWELS = ['َ', 'ِ', 'ُ', 'ْ']
+# واج‌ها
+# Phonemes
+ALEF = '\u0627'
+BE = '\u0628'
+PE = '\u067e'
+TE = '\u062a'
+SE = '\u062b'
+JIM = '\u062c'
+CHE = '\u0686'
+HE = '\u062d'
+KHE = '\u062e'
+DAL = '\u062f'
+ZAL = '\u0630'
+RE = '\u0631'
+ZE = '\u0632'
+ZHE = '\u0698'
+SIN = '\u0633'
+SHIN = '\u0634'
+SAD = '\u0635'
+ZAD = '\u0636'
+TA = '\u0637'
+ZA = '\u0638'
+EYN = '\u0639'
+GHEYN = '\u063a'
+FE = '\u0641'
+GHAF = '\u0642'
+KAF = '\u06a9'
+GAF = '\u0642'
+LAM = '\u0644'
+MIM = '\u0645'
+NOON = '\u0646'
+VAV = '\u0648'
+HE2 = '\u0647'
+YE = '\u06cc'
 
-#The Persian Alphabet
-LONG_VOWELS = ['ا', 'و', 'ی']
+# Punctuation marks
+COMMA = '\u060C'
+SEMICOLON = '\u061B'
+QUESTION = '\u061F'
 
-CONSONANTS = ['ء', 'ب', 'پ', 'ت', 'ث', 'ج', 'چ', 'ح', 'خ', 'د', 'ذ', 'ر', 'ز', 'ژ', 'س', 'ش', 'ص', 'ض', 'ط', 'ظ', 'ع', 'غ', 'ف', 'ق', 'ک', 'گ', 'ل', 'م', 'ن', 'ه']
+# Other symbols
+PERCENT = '\u066a'
+DECIMAL = '\u066b'
+THOUSANDS = '\u066c'
 
-#Special Characters
-SPECIAL = ['آ', 'ۀ']
+# Necessary for writing
+KESHIDEGI = '\u0640'
+ZERO_WIDTH_NONE_JOINER = '\u200c'
+ZERO_WIDTH_JOINER = '\u200d'
 
-#Tanvins
-TANVIN = [ 'ٌ' , 'ٍ' , 'ً']
+# تنوین‌ها
+# Tanvins
+TANVIN_FATHE = '\u064b'
+TANVIN_ZAMME = '\u064c'
+TANVIN_KASRE = '\u064d'
 
-#Tashdid
-TASHDID = 'ّ'
+# واکه‌ها یا مصوت‌ها یا حروف صدادار
+# Vowels
+FATHE = '\u064e'
+ZAMME = '\u064f'
+KASRE = '\u0650'
+
+# Diacritics
+TASHDID = '\u0651'
+SOKUN = '\u0652'
+MAD = '\u0653'
+
+HAMZEH_FAMILY = (
+    HAMZEH,
+    ALEF_WITH_MAD,
+    ALEF_WITH_HAMZEH_ABOVE,
+    VE_WITH_HAMZA_ABOVE,
+    ALEF_WITH_HAMZEH_BELOW,
+    YE_WITH_HAMZA_ABOVE,
+)
+
+ALPHABETIC_ORDER = {
+    ALEF: 1,
+    BE: 2,
+    PE: 3,
+    TE: 4,
+    SE: 5,
+    JIM: 6,
+    CHE: 7,
+    HE: 8,
+    KHE: 9,
+    DAL: 10,
+    ZAL: 11,
+    RE: 12,
+    ZE: 13,
+    ZHE: 14,
+    SIN: 15,
+    SHIN: 16,
+    SAD: 17,
+    ZAD: 18,
+    TA: 19,
+    ZA: 20,
+    EYN: 21,
+    GHEYN: 22,
+    FE: 23,
+    GHAF: 24,
+    KAF: 25,
+    GAF: 26,
+    LAM: 27,
+    MIM: 28,
+    NOON: 29,
+    VAV: 30,
+    HE2: 31,
+    YE: 32
+}
+
+NUMERALS = {
+    0: '۰',
+    1: '۱',
+    2: '۲',
+    3: '۳',
+    4: '۴',
+    5: '۵',
+    6: '۶',
+    7: '۷',
+    8: '۸',
+    9: '۹'
+}
+
+NUMERALS_WRITINGS = {
+    0: "صفر",
+    1: "یک",
+    2: "دو",
+    3: "سه",
+    4: "چهار",
+    5: "پنج",
+    6: "شش",
+    7: "هفت",
+    8: "هشت",
+    9: "نه"
+}
diff --git a/cltk/corpus/persian/persian_utils.py b/cltk/corpus/persian/persian_utils.py
new file mode 100644
index 000000000..af3b6ae73
--- /dev/null
+++ b/cltk/corpus/persian/persian_utils.py
@@ -0,0 +1,99 @@
+import re
+import cltk.corpus.persian.alphabet as alphabet
+from cltk.corpus.arabic.alphabet import *
+
+to_reform = [
+    {
+        "characters": [
+            HAMZA,
+            HAMZA_BELOW,
+            HAMZA_ABOVE,
+            HAMZA_ISOLATED,
+
+            MINI_ALEF,
+            SMALL_ALEF,
+            SMALL_WAW,
+            SMALL_YEH,
+
+            KASHEEDA,
+            FATHATAN,
+            DAMMATAN,
+            KASRATAN,
+            FATHA,
+            DAMMA,
+            KASRA,
+            SHADDA,
+            SUKUN,
+            alphabet.THOUSANDS,
+            alphabet.DECIMAL
+        ],
+        "to_be": ""
+    },
+    {
+        "characters": [
+            ALEF_MADDA,
+            ALEF_WASLA,
+            HAMZA_BELOW_ALEF,
+            HAMZA_ABOVE_ALEF,
+        ],
+        "to_be": alphabet.ALEF
+    },
+    {
+        "characters": [
+            ALEF_MAKSURA,
+            YEH,
+        ],
+        "to_be": alphabet.YE
+    },
+    {
+        "characters": [KAF],
+        "to_be": alphabet.KAF
+    },
+    {
+        "characters": [
+            LAM_ALEF,
+            LAM_ALEF_HAMZA_ABOVE,
+            LAM_ALEF_HAMZA_BELOW,
+            LAM_ALEF_MADDA_ABOVE,
+        ],
+        "to_be": alphabet.LAM + alphabet.ALEF
+    },
+    {
+        "characters": [TEH_MARBUTA],
+        "to_be": alphabet.HE2
+    },
+]
+
+replacementDict = {}
+for rule in to_reform:
+    for character in rule["characters"]:
+        replacementDict[character] = rule["to_be"]
+
+for originalForm, shapedForms in SHAPED_FORMS.items():
+    for form in shapedForms:
+        replacementDict[form] = replacementDict.get(originalForm, originalForm)
+        
+replacementDict4Word2vec = replacementDict.copy()
+
+for i in range(10):
+    replacementDict[EASTERN_ARABIC_NUMERALS[i]] = alphabet.NUMERALS[i]
+    replacementDict[WESTERN_ARABIC_NUMERALS[i]] = alphabet.NUMERALS[i]
+
+for i in range(10):
+    replacementDict4Word2vec[EASTERN_ARABIC_NUMERALS[i]] = " %s " % alphabet.NUMERALS_WRITINGS[i]
+    replacementDict4Word2vec[WESTERN_ARABIC_NUMERALS[i]] = " %s " % alphabet.NUMERALS_WRITINGS[i]
+    replacementDict4Word2vec[alphabet.NUMERALS[i]] = " %s " % alphabet.NUMERALS_WRITINGS[i]
+
+for char in '[!"#%\'()*+,-./:;<=>?@\[\]^_`{|}~’”“′‘\\\]؟؛«»،٪':
+    replacementDict4Word2vec[char] = " "
+
+replacementDict4Word2vec[" +"] = " "
+
+replacementRegex4Word2vec = re.compile("(%s)" % "|".join(map(re.escape, replacementDict4Word2vec.keys())))
+replacementRegex = re.compile("(%s)" % "|".join(map(re.escape, replacementDict.keys())))
+
+def standardize(text):
+    return replacementRegex.sub(lambda mo: replacementDict[mo.string[mo.start():mo.end()]], text)
+
+def standardize4Word2vec(text):
+    return replacementRegex4Word2vec.sub(lambda mo: replacementDict4Word2vec[mo.string[mo.start():mo.end()]], text)
diff --git a/requirements.txt b/requirements.txt
index 55a5bdd79..959f084fc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ mypy==0.610
 nbconvert==5.3.1
 nbformat==4.4.0
 nltk==3.3
-notebook==5.5.0
+notebook==6.4.10
 numpy==1.14.5
 pandocfilters==1.4.2
 parso==0.3.1