Re^2: How to avoid an alphabet and integer next to it in a string?

Yes, this is what I was looking for. Thanks! I tried avoiding H in C6H9. It turned out to calculate C69 giving me a wrong result. Of course, I was foolish enough to try this.

Comment on Re^2: How to avoid an alphabet and integer next to it in a string?

Replies are listed 'Best First'.
Re^3: How to avoid an alphabet and integer next to it in a string? by piscean (Acolyte) on Mar 21, 2014 at 18:02 UTC
`my $molform = <STDIN>; $molform =~ s/[^a-zA-G0-9]//g; my $molmass = new Chemistry::MolecularMass; my $mass = $molmass->calc_mass("$molform");` [download]	[reply] [d/l]
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]