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Regular Expressions Basic Patterns

Regular expressions by example...

Meta-Characters	Example	Matches
/ ... /	/a/	Any "a"
.	/a./	An "a" followed by any character
*	/ab*c/	An "a", then 0 or more "b's", then a "c"
+	/ab+c/	An "a", then 1 or more "b's", then a "c"
[ ... ]	/[ab]/	An "a" or a "b"
-	/[a-z]/	An "a" or "b" or "c" ... or "z"
^	/[^a-z]/	Any character except "a-z"
^	/^ace/	Begins with "ace"
$	/ace$/	Ends with "ace"