Running Linux Mint
The YouTube Sentdex Video tutor I am following.
He is working in Python3.4 and I am running Python3.4.3
He's demonstrating some Regular Expressions which I wanted to test out.
On these test scripts, for future referrence, I have been putting my
notes in Tripple Quotes and naming the scripts descriptively to be able
to find them again, when I need to review. However, this time, when I
copied in a simple script below my RE notes, and ran it from IDLE (and
from Console) I got the following error:
SyntaxError: EOF while scanning triple-quoted string literal
Now, there was also a tripple-quoted string I had set a variable to in
my script...so I thought it was the active part of the script! But
eventually, through the process of elimination, I discovered the
scripted worked great without the notes! I'd like to know what it is in
the below Tripple-Quoted section that is causing me this problem...if
anyone recognizes. In IDLE's script file..._it's all colored green_,
which I thought meant Python was going to ignore everything between the
tripple-quotes! But if I run just the below portion of the script in
it's own file, I get the same While Scanning Tripple-Quotes error.
#!/usr/bin/env python3
'''
Regular Expressions - or at least some
Identifiers:
\d any number
\D anything but a number (digit)
\s space
\S anything but a space
\w any character
\W anything but a character
. any character (or even a period itself if you use \.) except for a
newline
a search for just the letter 'a'
\b the white space around words
Modifiers
{x} we are expecting "x" number of something
{1, 3} we're expecting 1-3 in length of something -, so for digits we
write \d{1-3}
+ means Match 1 or more
? means Match 0 or 1
* Match 0 or more
$ Match the end of a string
^ Match the beginning of a string
| Match either or - so you might write \d{1-3} | \w{5-6}
[ ] a range or "variance" such as [A-Z] or [A-Za-z] Cap 1st letter
followed by lower case
or [1-5a-qA-Z] starts with a number inclusive of 1-5 then
lower case letter then
followed by any Cap letter! :)
White Space Characters (may not be seen):
\n new line
\s space
\t tab
\e escape
\f form feed
\r return
DON'T FORGET!:
. + * ? [ ] $ ^ ( ) { } | \ if you really want to use
these, you must escape them '\'
'''
Thanks for your thoughts!
--Terry
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