BOL

Do you want to compile your Perl program without running it, try $ perl -c <program> #Tipsoftheday #Perl

I also find this cheat sheet more informative http://ult-tex.net/info/perl/

Have a look at this cheat sheet http://www.cs.tut.fi/~jkorpela/perl/regexp.html

I like above mentioned cheat sheet, but this website link http://regexlib.com/CheatSheet.aspx?AspxAutoDetectCookieSupport=1 also provide nice and informative information at one place.

Hey all very nice collection of software and tools collections. I would like you all to redirect Raghava lab page http://www.imtech.res.in/raghava/ for more.

Are you doing protein based analysis, then please have a look at http://www.imtech.res.in/bic/index.php?option=com_content&view=article&id=46for some of the good servers.  

Apart from mentioned weibsite http://www.allfordrugs.com/drug-design/ for drug desing you can also find good tools for drug design at https://www.scfbio-iitd.res.in/bioinformatics/drugdesign1.htm

If you are specifically interested in protein based analysis check https://www.scfbio-iitd.res.in/bioinformatics/proteinstructure.htm for some software developed by IIT-D

You can find link of the tools and software developed by IIT-D at http://www.scfbio-iitd.res.in/bioinformatics/genefinding.htm