Re^3: Pattern matching fields with variable or NULL data

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Re^4: Pattern matching fields with variable or NULL data by BrowserUk (Patriarch) on Oct 27, 2004 at 01:53 UTC
That seems a bit over complicated. `print $_, m[\s*(\d{0,3}\b)?] ? " contained '$1'" : ' contained nothing that matched' for '','1','1 ',' 1','12',' 12 ','123',' 123',' 123 ','1234','1 2 +3'; Use of uninitialized value in concatenation (.) or string at (eval 21) + line 1, <STDIN> line 19. contained '' 1 contained '1' 1 contained '1' 1 contained '1' 12 contained '12' 12 contained '12' 123 contained '123' 123 contained '123' 123 contained '123' 1234 contained '' 1 2 3 contained '1'` [download] Examine what is said, not who speaks. "Efficiency is intelligent laziness." -David Dunham "Think for yourself!" - Abigail "Memory, processor, disk in that order on the hardware side. Algorithm, algorithm, algorithm on the code side." - tachyon	[reply] [d/l]
Re^4: Pattern matching fields with variable or NULL data by ikegami (Patriarch) on Oct 27, 2004 at 06:48 UTC
That doesn't match "12 ", which you said should be matched. Also, \s should be used instead of \W (unless you want to match things like "!@#").	[reply]