diff --git a/andReplacer.py b/andReplacer.py
new file mode 100644
index 0000000..ce9c107
--- /dev/null
+++ b/andReplacer.py
@@ -0,0 +1,81 @@
+
+
+import lines
+
+from lines import author
+
+author=author.author()
+
+# ___________________________________
+def andReplacer():
+    """
+    encapsulate author program in a
+    function
+    """
+    # imports
+
+    import nltk
+    import re
+
+
+    # file
+
+    f_name="BibTex.bib"
+
+    def opener(f_name):
+        file = open(f_name, 'r', encoding="utf8")
+        return file
+
+    file=opener(f_name)
+
+    # end prep
+
+    endline=''
+    file = opener(f_name)
+    for line in file:
+        if (re.search('^author',line)):
+        # if (re.search(' and ',line)):
+            starter=line
+            line=line.lstrip('author = {')
+            line=line.rstrip('},\n')
+
+            # line=line.lstrip(' and ')
+            # line=line.rstrip('')
+
+            # splitter = re.compile(r'(\sand+|\Sand')
+            lineList=re.split(' and ', line)
+            # print(line2)
+            # splitter = re.compile(r' and ')
+            # splitter.findall(line)
+            # print(line)
+            # print(splitter)
+            
+            # for x in lineList:
+            #     lineList+=x
+            # line=lineList
+            
+            # line=line.lstrip('[')
+            # line=line.rstrip(']')
+
+            line = re.sub(r', [][][^ ][azAZ] and ', ', ', line)
+            # line = re.sub(r'[][^ ][azAZ] and ', ', ', line)
+            line = re.sub(r' and ', ', ', line)
+            endline=line
+
+    # print(endline)
+
+            
+
+            # for x in lineList:
+            #     print(x)
+            #     lineList+=x
+            # line2=lineList
+
+    # return line2
+    
+    # return type(endline[:])
+    return endline[:]
+
+
+# andReplacer=andReplacer()
+# print(andReplacer)
diff --git a/documentation/02nd20docs/31authorAndReplacer.md b/documentation/02nd20docs/31authorAndReplacer.md
new file mode 100644
index 0000000..9c1f4eb
--- /dev/null
+++ b/documentation/02nd20docs/31authorAndReplacer.md
@@ -0,0 +1,11 @@
+# author and and Replacer
+
+```python
+import re
+splitter = re.compile(r'(\s+|\S+)')
+splitter.findall(s)
+```
+
+[how to tokenizer split line delimiter python - Google Search](https://www.google.com/search?q=how+to+tokenizer+split+line+delimiter+python&oq=how+to+tokenizer+split+line+delimiter+python&gs_lcrp=EgZjaHJvbWUyCwgAEEUYChg5GKABMgkIARAhGAoYoAHSAQkxNDY1NGowajeoAgCwAgA&sourceid=chrome&ie=UTF-8)
+
+[tokenize a string keeping delimiters in Python - Stack Overflow](https://stackoverflow.com/questions/1820336/tokenize-a-string-keeping-delimiters-in-python)
diff --git a/main.py b/main.py
index acb4830..5400a33 100644
--- a/main.py
+++ b/main.py
@@ -97,7 +97,26 @@
 
 # __________________________________
 
-reference = author + ' (' + year + ') ' + '\'' + title + '\'' + ',' + ' ' + journal + ',' + ' ' + volume + '(' + number + ')' + ' ' + 'pp. ' + pages + ', ' + 'available: ' + doi + ' / ' + url + ' [accessed ' + date + '].'
+import andReplacer
+
+andReplacer = andReplacer.andReplacer()
+
+# __________________________________
+
+# note on import of last or each module above: 
+# import module (file), then do
+# imported_module.the_function_in_the_imported_module()
+# and set the name previously used for the module to be the_function_from_the_module
+
+# __________________________________
+
+# can use either of the following lines:
+
+# reference = author + ' (' + year + ') ' + '\'' + title + '\'' + ',' + ' ' + journal + ',' + ' ' + volume + '(' + number + ')' + ' ' + 'pp. ' + pages + ', ' + 'available: ' + doi + ' / ' + url + ' [accessed ' + date + '].'
+reference = andReplacer + ' (' + year + ') ' + '\'' + title + '\'' + ',' + ' ' + journal + ',' + ' ' + volume + '(' + number + ')' + ' ' + 'pp. ' + pages + ', ' + 'available: ' + doi + ' / ' + url + ' [accessed ' + date + '].'
+
+
+# reference = andReplacer.andReplacer()
 
 # print("title =", title)
 # print("journal", journal)