Re^3: How to avoid an alphabet and integer next to it in a string?

my $molform = <STDIN>;
$molform =~ s/[^a-zA-G0-9]//g;
my $molmass = new Chemistry::MolecularMass;
my $mass = $molmass->calc_mass("$molform");
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Comment on Re^3: How to avoid an alphabet and integer next to it in a string? Download Code

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Re^4: How to avoid an alphabet and integer next to it in a string? by runrig (Abbot) on Mar 21, 2014 at 18:08 UTC
`$molform =~ s/[^a-zA-G0-9]//g;` Just eliminate the Hydrogen: `$molform =~ s/H\d*//g;` [download]	[reply] [d/l] [select]
Re^5: How to avoid an alphabet and integer next to it in a string? by piscean (Acolyte) on Mar 21, 2014 at 18:16 UTC
It says Forbidden chars. No output at all!	[reply]