You copied the regex incorrectly.

perl -e '$n = "Price 15.40"; $n =~s/[^\d.]//g; print "$n\n";'

[download]
Produces 
15.40

[download]
--
seek $her, $from, $everywhere if exists $true{love};

In reply to Re^3: extracting number from string by puudeli
in thread extracting number from string by samuelalfred

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