Skip to main content
PatternDescription
?Matches any single character.
*Matches zero or more characters.
[abc]Matches a single character from character set {a,b,c}.
[a-b]Matches a single character from the character range {a...b}. Note that character a must be lexicographically less than or equal to character b.
[^a]Matches a single character that is not from character set or range {a}. Note that the ^ character must occur immediately after the opening bracket.
\cRemoves (escapes) any special meaning of character c.
{ab,cd}Matches a string from the string set {ab, cd}
{ab,c{de,fh}}Matches a string from the string set {ab, cde, cfh}

Examples

PatternMatched string
/2013-01-{01,02,03}/impressions/*/2013-01-01/impressions/* /2013-01-02/impressions/* /2013-01-03/impressions/*
/201[0-9]/01/*/2010/01/* /2011/01/* /2012/01/*  … /2019/01/*
Last modified on April 20, 2026