In our computational biology work, we mostly play with DNA or AA string. For string based programming work this regular expression cheat sheet is really helpful. Keep it handy.
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.
Have a look at this cheat sheet http://www.cs.tut.fi/~jkorpela/perl/regexp.html
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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.
Have a look at this cheat sheet http://www.cs.tut.fi/~jkorpela/perl/regexp.html