z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

egexp
Summary
Examples
The commands that use basic and extended regular expressions are as follows:
Basic ed, expr, grep, sed
Extended awk, grep with -E option, sed with the -E option.
Table 38 summarizes the features that apply to which shell commands:
Table 38. Regular Expression Features (regexp)
Notation awk ed grep -E expr sed
. Yes Yes Yes Yes Yes
^ Yes Yes Yes No Yes
$ Yes Yes Yes Yes Yes
[...] Yes Yes Yes Yes Yes
[::] Yes Yes Yes Yes Yes
re* Yes Yes Yes Yes Yes
re+ Yes No Yes No No
re? Yes No Yes No No
re|re Yes No Yes No No
\d Yes Yes Yes Yes Yes
(...) Yes No Yes No No
\(...\) No Yes No Yes Yes
\< No No No No No
\> No No No No No
\{ \} Yes No Yes No Yes
The following patterns are given as illustrations, along with descriptions of what they
match:
abc Matches any line of text containing the three letters abc in that order.
a.c Matches any string beginning with the letter a, followed by any character,
followed by the letter c.
^.$ Matches any line containing exactly one character (the newline is not
counted).
a(b*|c*)d
Matches any string beginning with a letter a, followed by either zero or more
of the letter b, or zero or more of the letter c, followed by the letter d.
.* [a–z]+ .*
Matches any line containing a word, consisting of lowercase alphabetic
characters, delimited by at least one space on each side.
(morty).*\1
888 z/OS V1R9.0 UNIX System Services Command Reference