# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"(?=\. [a-z1-9\. ]*?com/)\. "
test_str = "Eastern Illinois University is one of only three universities in the United States to run its own newspaper printing press http://www. dailytexanonline. com/top-stories/student-media-board-votes-to-sell-press-1.1309992 and is one of the smallest universities in the country to have a daily newspaper. The paper was renamed Teacher's College News and Eastern State News before its current name was chosen in 1980. http://media. www. dennews. com/media/storage/paper309/news/2005/11/04/News/The-News. Turns.90-1045667. shtml Notable alumni of the newspaper include Wall Street Journal reporter Cam Simpson"
subst = "."
# You can manually specify the number of replacements by changing the 4th argument
result = re.sub(regex, subst, test_str, 0, re.MULTILINE)
if result:
print (result)
# Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html