Design
Regular Expressions
Much esteemed for their work at Bell Labs, Brian W. Kernighan and Robert C. Pike wrote the book on Unix, literally. Their 1984 tome The Unix Programming Language is highly regarded, as is their second collaboration, The Practice of Programming, which featured case studies implementing C, C++, AWK, Perl, and Tcl. The following selection from Dr. Dobb's Journal was published in April 1999 in anticipation of the release of The Practice of Programming and focuses on the use of regular expressions.
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