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Submitted-by: ylo@ngs.fi (Tatu Ylonen)
Posting-number: Volume 27, Issue 23
Archive-name: regexpr/part01
Environment: UNIX, MSDOS
Regexpr is a regular expression package. It is free (meaning that you
may do anything you want with it); the original motivation for writing
it was not being able to use the GNU library in a commercial
application.
Some of the features include:
- fully compatible with gnu regex library (I run emacs with this
library for several weeks as a test)
- can handle arbitrary data, including binary characters
- can handle split data
- compiles and runs also on 16 bit machines (eg. MSDOS)
- does not use alloca
- fairly easy to extend and modify (easier than the gnu version anyway)
- speed comparable to that of the GNU library (searches seem a bit
faster, matches about the same and compiling a bit slower than in
the gnu library)
- there are some extensions (enabled if RE_ANSI_HEX is set in syntax):
\vnn for accessing registers > 9 (useful if RE_NREGS > 10)
\xhh specifies character in hex
\a ascii 7
\b ascii 8
\f ascii 12
\n ascii 10
\r ascii 13
\t ascii 9
\v ascii 11
I have not written any documentation; see the header file and
documentation GNU Regex library in GNU Emacs distribution.
Send comments, bug fixes and suggestions to Tatu Ylonen
<ylo@cs.hut.fi>.