Acknowledgments for Open-Source Software
The Cisco IOS software pipe command uses Henry Spencer's regular expression library (regex). The
most recent version of the library has been modified slightly in the Catalyst operating system software
to maintain compatibility with earlier versions of the library.
Henry Spencer's regular expression library (regex). Copyright 1992, 1993, 1994, 1997 Henry Spencer.
All rights reserved. This software is not subject to any license of the American Telephone and Telegraph
Company or of the Regents of the University of California.
Permission is granted to anyone to use this software for any purpose on any computer system, and to
alter it and redistribute it, subject to the following restrictions:
1.
The author is not responsible for the consequences of use of this software, no matter how awful, even
if they arise from flaws in it.
2.
The origin of this software must not be misrepresented, either by explicit claim or by omission.
Since few users ever read sources, credits must appear in the documentation.
Altered versions must be plainly marked as such, and must not be misrepresented as being the
3.
original software. Since few users ever read sources, credits must appear in the documentation.
This notice may not be removed or altered.
4.
OL-29704-01
A P P E N D I X
Catalyst 3750-X and 3560-X Switch Command Reference
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