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9.1. Regular Expressions

We've been dealing with regular expressions for a while now. This section fills in some background and ties together the somewhat scattered discussions of regular expressions from earlier parts of the book.

Regular expressions are interesting, important, and rich in capabilities. Jeffrey Friedl's book Mastering Regular Expressions (O'Reilly) is entirely devoted to them. Perl makes particularly good use of regular expressions, and the Perl documentation explains them well. Regular expressions are useful when programming with biological data such as sequence, or with GenBank, PDB, and BLAST files.


  

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