wild card

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wild card

1. See wild (sense 4)
2. Computing a symbol that can represent any character or group of characters, as in a filename

wild card

[′wīld ‚kärd]
(computer science)
A symbolic character in a search argument such that any character will satisfy it.

wild card

(operating system, programming, text)
(From card games in which certain cards, often the joker, can act as any other card) A special character or character sequence which matches any character in a string comparison, like ellipsis ("...") in ordinary written text.

In Unix filenames '?' matches any single character and '*' matches any zero or more characters. In regular expressions, '.' matches any one character and "[...]" matches any one of the enclosed characters.

See also Backus-Naur Form.
References in periodicals archive ?
Gauff and McNally have said they plan to play doubles together at Flushing Meadows; that event's wild-card entries will be announced later.
The Philadelphia Eagles pulled off the biggest upset on Wild-Card Weekend when they beat the Chicago Bears at Soldier Field.
''I'm telling you, we're bringing that wild-card game back to the 216 and that place is going to be packed out and rockin', baby!'' Swisher said, citing Cleveland's area code.
They will host the Philadelphia Eagles in Sunday's NFC wild-card contest after the Eagles beat the Dallas Cowboys 44-6.
It leaves wild-card entries Katie O'Brien and Melanie South to carry home hopes in the south coast event.
Andersen said: "To be honest I wasn't expecting to get the wild-card for this weekend after what happened last year.
The wild-card winners - Harlequins are three points ahead of Leicester going into today's second semi-final at Welford Road - will clinch Heineken Cup qualification next season.
All four home teams are favored on Wild-Card Weekend, but it wouldn't at all be surprising to see a couple of road teams advance to the divisional round.
Summary: New Delhi [India], April 25 (ANI): The fourth edition of Rendezvous Roland Garros will kick start with the Junior Wild-Card Competition at the RK Khanna Tennis Stadium, which is slated to be held from today and will run till April 27.
Sixteen-year-old Alberto Lim Jr., Jeson Patrombon, 22, and Francis Casey Alcantara, 23, received wild-card spots in the main draw of the $75,000 ATP event strewn with regular tour campaigners just outside of the world's top 100.
The Blue Jays are assured of at least a wild-card berth and remained four games clear of the New York Yankees atop the AL East with eight to play.