Re^2: Extracting money from a double quoted string

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Re^3: Extracting money from a double quoted string by Corion (Patriarch) on Dec 06, 2014 at 18:58 UTC
The code you posted already works for me, with the simple change of double to single quotes: `#!/usr/local/bin/perl $string='Price is $9.99 on our website'; ($money) = $string =~ m/is\s\$([0-9]{1,2}\.[0-9]{2})\son/g; print $money; __END__ 9.99` [download] You can help us help you better by posting a short, self-contained program that we can use to reproduce your problem.	[reply] [d/l]
Re^4: Extracting money from a double quoted string by sherab (Scribe) on Dec 06, 2014 at 18:59 UTC
You'll note that I pointed out in my original question that it works with ' '. Thanks	[reply]
Re^5: Extracting money from a double quoted string by Corion (Patriarch) on Dec 06, 2014 at 19:02 UTC
Then let me repeat what I gave as an answer in my first reply to you: As an alternative, you could quote the dollar sign, so that Perl knows you don't mean the variable $9: `my $string= "Price is \$9.99 on our website";` [download] What part of that answer does not apply to your problem? Is your question why `$string` does not contain the value `9.99` when you use double quotes? Is your question about the difference between double and single quotes in Perl? Is your question about what the variable `$9` contains?	[reply] [d/l] [select]
Re^3: Extracting money from a double quoted string by Laurent_R (Canon) on Dec 06, 2014 at 23:36 UTC
If you are slurping your data from a file, then you will not have any problem with variable interpolation, and the $ sign will not give you any trouble. It is only if you are creating the string yourself in your code with double quotes that this "problem" arises. If you read data from a file, no variable interpolation occurs, so that it is as if you had used single quotes. And this is also basically what Corion said in the first place, but maybe you did not understand fully how it applied to your question.	[reply]