Perl for C Programmers

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Regular Expression Elements

Table 4.1 presents a short list of the regular expression elements discussed in this chapter. For a full list of the extensive set of Perl regular expression operators, see the online documentation perldoc perlre.

Table 4.1. Regular Expression Elements Discussed in the Chapter

Element	Meaning
<character >	Match the given character. Works on letters, digits, and a few symbols. (Most symbols have a special meaning.)
^	Match the beginning of the line.
$	Match the end of the line.
*	Repeat zero or more times.
+	Repeat one or more times
[xyz ]	Match any of the characters “x”, “y”, or “z”. (Only one character in the string is matched.)
[a –m ]	Match any character from “a” to “m”.
[^xyz ]	Match any character except ...