Regular expressions

A regular expression is a concise way of expressing any pattern of characters.

You construct a regular expression by combining ordinary characters with one or more metacharacters: characters that have special meaning for the shell.

Regular expressions can be used to:

Commands differ in the range of the regular expressions that they support. Check the manual page for the command for further details.


[Home] [Search] [Index] This site maintained by appl@mcsr.olemiss.edu