Re: cool way of manipulating array elements

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Re^2: cool way of manipulating array elements by norbert.csongradi (Beadle) on Aug 30, 2011 at 09:02 UTC
Be careful with such a "lazy" regexp, it might give you funny results (looks_like_number is smarter ;): `@array = ('abc2', 'hehe42'); # not really numbers, but passes regexp ; +)` [download]	[reply] [d/l]
Re^2: cool way of manipulating array elements by Kc12349 (Monk) on Aug 31, 2011 at 16:58 UTC
`print map {( $_ =~ /^-?\d+$/ ? $_ * 2 : '-' ),"\n"} @array;` [download] You could try something like this to catch integers. `print map {( $_ =~ /^-?(\d\.)?\d+$/ ? $_ 2 : '-' ),"\n"} @array;` [download] Or something like this to catch numbers with decimals. Both of these will simply ignore leading zeros as perl is apt to do when converting strings to numbers.	[reply] [d/l] [select]