reunion
Name
reunion -- compute the disjunction of two regular expressions
Synopsis
reunion re1 re2
reunion re2 <re1
Description
reunion
computes re1 `or' re2,
and writes the result on standard output.
re1 and re2 must conform to the Grail format
for regular expressions.
Examples
% cat re3
(a+b)*(abc)
% cat re2
""
% reunion re3 re2
(a+b)*abc+""
% cat re4
(((a)+(b))*)
% reunion re4 re3
(a+b)*+(a+b)*abc
Authors
Darrell Raymond and Derick Wood, the Grail project
See also
re(5)