Click here to Skip to main content
11,437,319 members (56,377 online)
Click here to Skip to main content

Wildcard string compare (globbing)

, 15 Feb 2005
Rate this:
Please Sign up or sign in to vote.
Matches a string against a wildcard string such as "*.*" or "bl?h.*" etc. This is good for file globbing or to match hostmasks.

Usage:

This is a fast, lightweight, and simple pattern matching function.

if (wildcmp("bl?h.*", "blah.jpg")) {
  //we have a match!
} else {
  //no match =(
}

Function:

int wildcmp(const char *wild, const char *string) {
  // Written by Jack Handy - <A href="mailto:jakkhandy@hotmail.com">jakkhandy@hotmail.com</A>
  const char *cp = NULL, *mp = NULL;

  while ((*string) && (*wild != '*')) {
    if ((*wild != *string) && (*wild != '?')) {
      return 0;
    }
    wild++;
    string++;
  }

  while (*string) {
    if (*wild == '*') {
      if (!*++wild) {
        return 1;
      }
      mp = wild;
      cp = string+1;
    } else if ((*wild == *string) || (*wild == '?')) {
      wild++;
      string++;
    } else {
      wild = mp;
      string = cp++;
    }
  }

  while (*wild == '*') {
    wild++;
  }
  return !*wild;
}

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

Share

About the Author

Jack Handy
Web Developer
United States United States
No Biography provided

Comments and Discussions

 
QuestionMy vote of 5+ Pin
Sanmayce29-Nov-13 8:47
memberSanmayce29-Nov-13 8:47 
GeneralMy vote of 5 Pin
Franc Morales29-May-13 16:47
memberFranc Morales29-May-13 16:47 
Questionhelp required for wilcard matching * and # Pin
SaimaAsif24-Feb-12 0:56
memberSaimaAsif24-Feb-12 0:56 
GeneralMy vote of 5 Pin
Plamen Petrov13-Dec-11 22:37
memberPlamen Petrov13-Dec-11 22:37 
SuggestionModification with '#' as wildcard joker for digits [modified] Pin
Thomas Haase26-Sep-11 0:16
memberThomas Haase26-Sep-11 0:16 
QuestionLicence Question Pin
randommark23-Nov-10 1:33
memberrandommark23-Nov-10 1:33 
AnswerAnother C# version, with a twist Pin
tomlev29-Jun-10 15:50
membertomlev29-Jun-10 15:50 
GeneralObscurity Pin
Chuck O'Toole25-Apr-10 19:18
memberChuck O'Toole25-Apr-10 19:18 
AnswerMy C# contribution - recursive, of course! Pin
RenniePet26-Mar-10 6:21
memberRenniePet26-Mar-10 6:21 
GeneralRe: My C# contribution - recursive, of course! Pin
Erwin de GRoot29-Mar-10 2:58
memberErwin de GRoot29-Mar-10 2:58 
GeneralDepends on whether you need to optimize the last few nanoseconds out of it... Pin
RenniePet29-Mar-10 8:45
memberRenniePet29-Mar-10 8:45 
GeneralSorry - revised numbers Pin
RenniePet29-Mar-10 9:35
memberRenniePet29-Mar-10 9:35 
GeneralRe: Depends on whether you need to optimize the last few nanoseconds out of it... Pin
Erwin de GRoot29-Mar-10 9:37
memberErwin de GRoot29-Mar-10 9:37 
GeneralYet another version - 25% faster, I think [modified] Pin
RenniePet1-Apr-10 9:24
memberRenniePet1-Apr-10 9:24 
GeneralRe: Yet another version - 25% faster, I think Pin
aleks1k21-Sep-11 3:47
memberaleks1k21-Sep-11 3:47 
QuestionI used this function but I how I can catch variables from the * ??? Pin
moh.hijjawi20-Oct-09 2:55
membermoh.hijjawi20-Oct-09 2:55 
Dear Jack,
Dear all,

I used this function in comparing two strings the first is Pattern(* KK *) and the second is Text(TT KK ZZ) and the function return pass. thats briliant,but my question how I can edit the function to be able to catch or handle the characters of matched * to save them in variables. for example:

X = TT
Y = ZZ

to deal with them later on in my system.

I tried many times but its not working well so far.

So please any one have an idea to do that please let me know and its will be appreciated.

Best Regards.
AnswerRe: I used this function but I how I can catch variables from the * ??? Pin
RenniePet1-Apr-10 12:27
memberRenniePet1-Apr-10 12:27 
Questionany updates ? Pin
alhambra-eidos2-Jul-09 6:12
memberalhambra-eidos2-Jul-09 6:12 
GeneralImproved matching with end-of-text Pin
Anders Heie11-May-09 16:20
memberAnders Heie11-May-09 16:20 
GeneralRe: Improved matching with end-of-text: some cases don't work properly! Pin
roadrunner31412-Aug-09 4:35
memberroadrunner31412-Aug-09 4:35 
GeneralRe: Improved matching with end-of-text: some cases don't work properly! Pin
sdiazdiaz20-Jun-13 2:50
membersdiazdiaz20-Jun-13 2:50 
QuestionPathMatchSpec instead? Pin
kintz25-Mar-09 9:55
memberkintz25-Mar-09 9:55 
AnswerRe: PathMatchSpec instead? Pin
MandatoryDefault31-Aug-09 11:39
memberMandatoryDefault31-Aug-09 11:39 
Questionwchar_t version? Pin
rmorales8729-Nov-08 21:16
memberrmorales8729-Nov-08 21:16 
AnswerRe: wchar_t version? Pin
razvar31-Mar-11 22:49
memberrazvar31-Mar-11 22:49 

General General    News News    Suggestion Suggestion    Question Question    Bug Bug    Answer Answer    Joke Joke    Rant Rant    Admin Admin   

Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages.

| Advertise | Privacy | Terms of Use | Mobile
Web03 | 2.8.150428.2 | Last Updated 15 Feb 2005
Article Copyright 2001 by Jack Handy
Everything else Copyright © CodeProject, 1999-2015
Layout: fixed | fluid