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CoreWatch User’s Guide

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Appendix D

Supported Regular

Expressions

When controlling the contents of a CoreWatch table, you may find it useful to enter a 
regular expression that CoreWatch will use as a wildcard. CoreWatch will then filter 
entries in the table based on the specified regular expression.

CoreWatch supports the following Perl5 regular expressions:

•

Alternatives separated by | 

•

The quantified atoms described in the following table:

Table 77. Supported Perl5 Quantified Atoms

{n,m} 

Match at least n but not more than m times. 

{n,} 

Match at least n times. 

{n} 

Match exactly n times. 

* 

Match 0 or more times. 

+ 

Match 1 or more times. 

? 

Match 0 or 1 time.