On Jul 15, 10:29 pm, Gary Herron <[EMAIL PROTECTED]> wrote: > Peng Yu wrote: > > Hi, > > > The following code snippet is from /usr/bin/rpl. I would like the it > > to match a word, for example, "abc" in ":abc:". But the current one > > would not match "abc" in ":abc:". I tried to modify it myself. Would > > you please let me know what is the corrected way to do it? > > > Thanks, > > Peng > > > if opts.whole_words: > > regex = re.compile(r"(?:(?<=\s)|^)" + re.escape(old_str) + > > r"(?=\s| > > $)", > > opts.ignore_case and re.I or > > 0) > > -- > >http://mail.python.org/mailman/listinfo/python-list > > The regular expression "\w+" will match (what might be your definition > of) a word, and in particular will match abc in :abc:. Regular > expressions have lots of other special \-sequences that might be worth > your while to read about: http://docs.python.org/lib/re-syntax.html > > Gary Herron
I didn't read the docs and tried the following code. regex = re.compile(r"\A" + re.escape(old_str) + r"\Z", opts.ignore_case and re.I or 0) But I'm not sure why it is not working. Thanks, Peng -- http://mail.python.org/mailman/listinfo/python-list