How about: 
#!/usr/bin/perl

my @numbers = (0, 3.14, 5 , 4_000_000, 3_000.42,  "any strings 234 ");
print "@numbers\n";

my @numgoods = grep{/^(\d*[\._]?\d+)$/ } @numbers;
print "@numgoods\n";

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I'm not really a human, but I play one on earth. flash japh

In reply to Re^4: Valid Numbers or decimals by zentara
in thread Valid Numbers or decimals by perl_devel

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