Re: Test string against expression?

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If you're coming from Perl, the first thing you should know about python is
that regular expressions are generally the Wrong Way to do it.
Nearly everywhere you'd use a regex in perl, you use a string method in
python. It's more explicit and faster (especially since regex in python is
not super optimized like perl).

On Mon, Sep 17, 2012 at 11:22 AM, Rick Miller <[email protected]>wrote:

> On Mon, Sep 17, 2012 at 2:04 PM, Buck Golemon <[email protected]> wrote:
> > Cheetah is a superset of python (kindof).
> > Get your logic working in python, then port it to cheetah.
> > You want re.match, from the standard python library:
> >
> > http://docs.python.org/library/re.html#re.RegexObject.match
> >
> >
> > In your particular example below however, regular expressions are
> overkill,
> > just use the string `in` operator:
> >
> > #if 'string' in $getVar('name')
> >    #set foo = "bar"
> > #else
> >    #set bar = "foo"
> > #end if
> >
> > That's basic python. You should take a couple hours and run through the
> > official tutorial.
> > At *least* skim the parts on string processing.
> > http://docs.python.org/tutorial/
>
> Thanks, Buck!  I'll check out that tutorial!
>

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If you&#39;re coming from Perl, the first thing you should know about pytho=
n is that regular expressions are generally the Wrong Way to do it.<div>Nea=
rly everywhere you&#39;d use a regex in perl, you use a string method in py=
thon. It&#39;s more explicit and faster (especially since regex in python i=
s not super optimized like perl).<br>
<br><div class=3D"gmail_quote">On Mon, Sep 17, 2012 at 11:22 AM, Rick Mille=
r <span dir=3D"ltr">&lt;<a href=3D"mailto:[email protected]" target=
=3D"_blank">[email protected]</a>&gt;</span> wrote:<br><blockquote c=
lass=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;=
padding-left:1ex">
<div class=3D"im">On Mon, Sep 17, 2012 at 2:04 PM, Buck Golemon &lt;<a href=
=3D"mailto:[email protected]">[email protected]</a>&gt; wrote:<br>
&gt; Cheetah is a superset of python (kindof).<br>
&gt; Get your logic working in python, then port it to cheetah.<br>
&gt; You want re.match, from the standard python library:<br>
&gt;<br>
&gt; <a href=3D"http://docs.python.org/library/re.html#re.RegexObject.match=
" target=3D"_blank">http://docs.python.org/library/re.html#re.RegexObject.m=
atch</a><br>
&gt;<br>
&gt;<br>
&gt; In your particular example below however, regular expressions are over=
kill,<br>
&gt; just use the string `in` operator:<br>
&gt;<br>
&gt; #if &#39;string&#39; in $getVar(&#39;name&#39;)<br>
&gt; =A0 =A0#set foo =3D &quot;bar&quot;<br>
&gt; #else<br>
&gt; =A0 =A0#set bar =3D &quot;foo&quot;<br>
&gt; #end if<br>
&gt;<br>
&gt; That&#39;s basic python. You should take a couple hours and run throug=
h the<br>
&gt; official tutorial.<br>
&gt; At *least* skim the parts on string processing.<br>
&gt; <a href=3D"http://docs.python.org/tutorial/" target=3D"_blank">http://=
docs.python.org/tutorial/</a><br>
<br>
</div>Thanks, Buck! =A0I&#39;ll check out that tutorial!<br>
</blockquote></div><br></div>

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