HP 3000 Manuals

System Debug Reference Manual

Technical Summary 

The following list summarizes the expressions discussed above:

c       Literal character
.       Any character except newline
^       Beginning of line
$       End of line (null string before newline)
[xyz]   Character class (any one of these characters)
[^xyz]  Negated character class (all but these characters)
*       Closure (zero or more instances of previous pattern)
\c      Escaped literal character (for example, \^, \[, \*)

Any special meaning of metacharacters in a regular expression is lost
when 1) escaped, 2) inside [...], or 3) for the following characters:

^       When not at the beginning of an expression
$       When not at end of an expression
*       When beginning an expression

A character class consists of zero or more of the following elements,
surrounded by [ and ]:

c       Literal characters, including [
a-b     Range of characters (digits, lowercase or uppercase)
^       Negated character class if at beginning
\c      Escaped character (for example, \^ \- \\ \])

Special meaning of characters in a character class is lost when 1)
escaped or 2) for the following characters:

^       When not at beginning of a character class
-       When at beginning or end of a character class

An escape sequence consists of the character \ followed by a single
character:

\t      tab
\\      \
\c      c

System Debug expects regular expressions to be enclosed in back quotes
"`".

System Debug commands support MPE XL style wildcard patterns.  These are
converted into regular expressions for evaluation.

@       Matches any character (same as `.*`)
?       Matches any alphabetic character (same as `[a-zA-Z]`)
#       Matches a numeric character (same as `[0-9]`)

MPE/iX 5.0 Documentation