# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"^(?:(“(?! “).*?)\s*”|(“) “(.*)|((?!“).*?)\s*”)$"
test_str = ("“ Criteria 1, ending with RD and beginning with LD, but not LDLD, remove RD ”\n"
"“ “ Criteria 1, ending with RD but beginning with LDLD, do nothing to RD ”\n"
"“ “ Criteria 2, beginning with LDLD, make it begin with LD ”\n"
"Criteria 3 with non-matching RD, remove RD ”")
subst = "$1$2$3$4"
# 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