Re: How can i extract a number from an string

foreach (@array) {
    /^BS(\d)/;
    my $num = $1;
    .
    .
}
[download]

A user level that continues to overstate my experience :-))

Comment on Re: How can i extract a number from an string Download Code

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Re^2: How can i extract a number from an string by jplindstrom (Monsignor) on Jan 22, 2009 at 17:25 UTC
`/^BS(\d)/ or warn("Invalid frobniz id ($_)\n"), next;` [download] Or possibly die on bad input. Never ignore it. (And, it's better to be explicit about the loop variable IMHO, $_ is a missed opportunity to write self documented code). /J	[reply] [d/l]
Re^2: How can i extract a number from an string by Sombrerero_loco (Beadle) on Jan 22, 2009 at 12:04 UTC
and this should capture only the number from the string "BS4-SuchaString" ???	[reply]
Re^3: How can i extract a number from an string by Bloodnok (Vicar) on Jan 22, 2009 at 12:07 UTC
As the RE says, if the string begins with `BS` and is followed by a single digit, that digit will be captured - see perlre. A user level that continues to overstate my experience :-))	[reply] [d/l]