Re: //s modifier

AFAIK you will need either the /m or /s operator - otherwise your regex will only ever look at a single line.

If you use /m, then you will still need to handle newlines (since . won't match a newline). If you use /s, then . will match newlines, so will lead to a shorter regex.

(Not tested)

/<title>.*resultados.*<\/title>/is

is equivalent to:

/<title>.*\n?.*resultados.*\n.*<\/title>/im
[download]

Tom Melly, tom@tomandlu.co.uk

Comment on Re: //s modifier Download Code

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Re^2: //s modifier by tirwhan (Abbot) on Mar 21, 2006 at 11:54 UTC
AFAIK you will need either the /m or /s operator - otherwise your regex will only ever look at a single line. No, that's not true, see below one-liner. `perl -e '$t="hello\nmoto";print "yep\n" if $t=~m/hello\smoto/;'` All the s modifier does is to change dot (.) to match newline characters and all the m modifier does is to make ^ and $ match at the beginning/end of each line instead of the whole string. See perldoc perlre. All dogma is stupid.	[reply] [d/l]
Re^2: //s modifier by timos (Beadle) on Mar 21, 2006 at 11:45 UTC
I don't think that the two regexes are equivalent. The first one matches `<title>resultados\n\n\n</title>` the second doesn't.	[reply] [d/l]
Re^3: //s modifier by Melly (Chaplain) on Mar 21, 2006 at 12:04 UTC
Sorry - should have said "similiar to" ;) Anyway, my real bad was saying he'd need one of the modifiers to ever hope on matching a multi-line regex... what was I thinking? (well, I know what I was thinking - got in a muddle over iterating, line-by-line, through a file, etc.). Tom Melly, tom@tomandlu.co.uk	[reply]