A. V. Aho, B. W. Kernighan, and P. J. Weinberger. The A WK programming language. Addison-Wesley, 1988. Home/Search Document Not in Database Summary Related Articles |
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Pattern Matching by Rs-Operations: Towards a Unified Approach .. - Ginsburg, Wang (1992) (37 citations) (Correct)
....aa2 matches u and al matches the first element of u. Thus, ala can be used to retrieve (by pointing at ax) the first element of u, i.e. the HEAD operation on u. The above pattern matching mechanism can be found in text editors vi and emacs, and the AWK progranmaing language [2] (usually in UNIX systems) Both editors and AWK use regular expressions in their search and substitute commands. In these commands, a pair of special symbols retrieve a portion of the matched sequence. The sequence operations introduced in this paper are similar to, but more powerful than, this ....
A. V. Aho, B. W. Kernighan, and P. J. Weinberger. The A WK programming language. Addison-Wesley, 1988.
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