Online Programming Reference Guides - Perl
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6.2.1 Simple Characters

In regular expressions, generally, a character matches itself. The only exceptions are regular expression special characters. To match one of these special characters, you must put a \ before the character.

For example, the regular expression abc matches a set of strings that contain abc somewhere in them. Since * happens to be a regular expression special character, the regular expression \* matches any string that contains the * character.





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