Regular Expressions Cheat Sheet

Important difference: filename matching (filename.*) matches entire string, while regular expressions, by default, match a sub-string.

Meaning	Filename pattern	Regular expression
Single wildcard character	?	.
Match dot character	filename.type	filename\\.type
Wildcard substring	*	.*
Character in list	[abc]	[abc]
Character in range	[0-9]	[0-9]
Character not in list	[!ab^c]	[^ab^c]
Zero or more occurances		(abcd)* x*
One or more occurances		(abcd)+ x+
Optional		(abcd)? x?
Match at the beginning	pattern*	^pattern
Match at the end	*pattern	pattern$
Match entire string	pattern	^pattern$