Python PyPDF2 match string from pdf document

PyPDF2-Reader.py

def find_match(pdfdoc, annotation: str) -> []:
    results = []

    # extract text and do the search
    for i in range(0, NumPages):
        match = {}
        pages = pdfdoc.getPage(i)
        text = pages.extractText()
        res_search = re.search(annotation, text)

        if(res_search):
            match['Page'] = str(i)
            match['Annotation'] = res_search.group(0)
            match['Start'] = res_search.start()
            match['End'] = res_search.end()
            results.append(match)

    return results

doc = PyPDF2.PdfFileReader('./mypdf.pdf')
annotation = "searchMeString"
find_match(doc, annotation)