# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"\b(?:you|u) only live once\b"
test_str = ("- I'm not so sure about this tattoo, what if I regret it later?\n"
"- You only live once bro.\n\n"
"- Man, all this jumping out of buildings business is taking a toll on my body. Besides, it's pretty dangerous!\n"
"- Bro, you only live once!")
subst = "YOLO"
# You can manually specify the number of replacements by changing the 4th argument
result = re.sub(regex, subst, test_str, 0, re.MULTILINE | re.IGNORECASE)
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