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 ?
The last couple of seasons have seen some major blowouts on Wild-Card Weekend.
All I can say is I will be very disappointed if those particular wild-card candidates do not participate at Gleneagles.
Montclair Prep 2, Cate 0: Austin Mandel scored twice and goalkeeper Spencer Peck made ninesaves as Montclair Prep of Panorama City defeated Cate of Anahiem at Balboa Park in a wild-card game.
This was my big goal, what my year was all about, and I have been nervous waiting to hear whether I would get the wild-card place or not.
Double European champions Leicester can qualify for next season's Heineken Cup only if they win the wild-card competition.
Faldo has ditched three wives but ditching one of the wild-card hopefuls on Sunday night promises to be even more fun for the Englishman, so cold-hearted you suspect he'd check the yardage before clubbing a baby seal.
At least a wild-card entry in the NASCAR Chase, one that is a past Chase champion, can say he's won something.
It is believed that Towers will receive serious consideration for a wild-card, however, because of FIBA's desire to promote the sport in countries where basketball is seen as a fringe sport.
It wasn't only in the AT&T Park visitors' clubhouse, all picked up after the wild-card clinching party the day before, that a case could be heard for the Dodgers to go farther than they have since the 1988 World Series championship.
Wild-card qualifiers are the Buffalo Bills, New England Patriots and Miami Dolphins.
50 and is also leading the men's Panasonic Shockwave Tour ratings which means he will be the recipient of one of the three Bluetorch Pro wild-cards with the final wild-card going to Brazilian Joca Junior.
But by taking a one-game lead over the Phillies, the Dodgers set their magic number in the wild-card race at five with five games to go.