regexp.5 (2010 09)

r
regexp(5) regexp(5)
Multiple alternative patterns in a single clause can be specified by separating individual patterns
with the vertical bar character (|
); strings matching any of the patterns separated this way will
cause the corresponding command list to be selected.
SEE ALSO
ksh(1), sh(1), fnmatch(3C), glob(3C), regcomp(3C), setlocale(3C), environ(5).
STANDARDS CONFORMANCE
<regexp.h>: AES, SVID2, SVID3, XPG2, XPG3, XPG4
8 Hewlett-Packard Company 8 HP-UX 11i Version 3: September 2010