search for substring

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mario29

Joined: 07 Sep 2010
Posts: 5

mario29 06 Nov 2010, 19:34

In fasm where can I find a function that does a case insensitive search so that the a string will be checked if a second string is present anywhere in the first string and 1 will be returned if yes and 0 if no.

06 Nov 2010, 19:34

ouadji

Joined: 24 Dec 2008
Posts: 1080
Location: Belgium

ouadji 06 Nov 2010, 19:45

maybe build that yourself ? why not ? Wink

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06 Nov 2010, 19:45

baldr

Joined: 19 Mar 2008
Posts: 1651

baldr 07 Nov 2010, 03:42

mario29,

Knuth-Morris-Pratt or Boyer-Moore methods can be useful.

07 Nov 2010, 03:42

Tyler

Joined: 19 Nov 2009
Posts: 1215
Location: NC, USA

Tyler 07 Nov 2010, 04:31

vid's Fasmlib has an implementation of Boyer-Moore-Horspool, I've heard.

07 Nov 2010, 04:31

Picnic

Joined: 05 May 2007
Posts: 1439
Location: Piraeus, Greece

Picnic 07 Nov 2010, 11:02

Windows API StrStrI finds the first occurrence of a substring within a string. The comparison is not case-sensitive.

Last edited by Picnic on 07 Nov 2010, 11:05; edited 1 time in total

07 Nov 2010, 11:02

vid
Verbosity in development

Joined: 05 Sep 2003
Posts: 7103
Location: Slovakia

vid 07 Nov 2010, 11:04

Quote:

vid's Fasmlib has an implementation of Boyer-Moore-Horspool, I've heard.

yep, it is pretty easy to implement, once you understand how it works.

07 Nov 2010, 11:04

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