Added documentation

app.py

@@ -59,6 +59,10 @@ regexes = {
     "ukphones": ukphones
 }
 
+"""
+This class is used to compile and find all matches of a given regex pattern in a text.
+It takes an object and a regex pattern as input.
+"""
 
 class regex:
     def __init__(self, obj, regex):
@@ -72,6 +76,10 @@ class regex:
 
         return regex_method
 
+    """
+    This class is used to compile and find all matches of a given regex pattern in a text.
+    It takes an object and a regex pattern as input.
+    """
 
 class PiiRegex(object):
     def __init__(self, text=""):
@@ -108,6 +116,11 @@ class PiiRegex(object):
 
         return True if matches else False
 
+    """
+    This class is used to redact sensitive information from a PDF file.
+    It takes a file as input and redacts all the sensitive information found in the file.
+    The redacted file is saved as a new PDF file.
+    """
 
 class Redactor: