Regular expressions newbie: something for templates
John Machin
sjmachin at lexicon.net
Mon Mar 11 02:10:51 EST 2002
Skip Montanaro <skip at pobox.com> wrote in message news:<mailman.1015801819.3967.python-list at python.org>...
> Thomas> "This is the test $var1$ and this is $var2$"
> Thomas> and turn it into
> Thomas> "This is the test %(var1)s and this is %(var2)s"
>
> Give this a try:
>
> >>> import re
> >>> s = "This is the test $var1$ and this is $var2$"
> >>> re.sub(r"\$([a-zA-Z_0-9]+)\$", r"%(\1)s", s)
> 'This is the test %(var1)s and this is %(var2)s'
The truly paranoid may prefer this:
re.sub(r"\$([a-zA-Z_][a-zA-Z_0-9]*)\$", r"%(\1)s", s)
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