Something like this: 
$temp = "DATA\n         File\n         Hello\n";
($line) = $temp =~ /^\s*File\n(.*\n)/m;

[download]
That is, search for a line with optional leading whitespace and ending with "File", and capture the following line.

In reply to Re: Finding a line in a scalar, and copying it to a new scalar? by ysth
in thread Finding a line in a scalar, and copying it to a new scalar? by Anonymous Monk

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