The regular expression syntax is basically exactly the same. The main
difference is that a regex can't just be written into a statement as
part of the syntax; you have to create a regular expression object and
use its methods.
So, instead of:
new_thing =~ s/pattern/replacement/
it's:
myPattern = re.compile(r'pattern')
new_thing = myPattern.sub(replacement, input_string)
or:
new_thing = re.sub(pattern, replacement, input_string)
Also, backreferences are \1 instead of $1, and you have to escape the
backslash or use a raw string for the backslash.
I've found this page to be pretty helpful:
http://www.regular-expressions.info/python.html
Shawn
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