Check if a string contains another string (substring)

Ali.B · 08-13-2009, 04:45 AM

hello everyone

how can i check that a string contains another string(sub string), like:
if i have a string like this:

Code:

GET /send.htm?Text=PAYLOAD+00500+11611

and i want to check whether this string contains the word "PAYLOAD", and if it does do something.
here the sub string would be "PAYLOAD".
how can I do it?

**laserlight** · 08-13-2009, 04:48 AM

You can use strstr() from <string.h>.

Ali.B · 08-13-2009, 04:48 AM

could you show me how, with an example code or something ?

**laserlight** · 08-13-2009, 04:53 AM

Yes

Ali.B · 08-13-2009, 04:57 AM

wow

nice ....
thanks

08-13-2009, 04:45 AM	#1
Ali.B Registered User Join Date: Jan 2009 Posts: 37	Check if a string contains another string (substring) hello everyone how can i check that a string contains another string(sub string), like: if i have a string like this: Code: GET /send.htm?Text=PAYLOAD+00500+11611 and i want to check whether this string contains the word "PAYLOAD", and if it does do something. here the sub string would be "PAYLOAD". how can I do it? Last edited by Ali.B; 08-13-2009 at 04:48 AM. Reason: info added
Ali.B is offline

08-13-2009, 04:48 AM	#2
laserlight C++ Witch Join Date: Oct 2003 Location: Singapore Posts: 10,368	You can use strstr() from <string.h>. __________________ C + C++ Compiler: MinGW port of GCC Build + Version Control System: SCons + Bazaar Look up a C/C++ Reference and learn How To Ask Questions The Smart Way
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08-13-2009, 04:48 AM	#3
Ali.B Registered User Join Date: Jan 2009 Posts: 37	could you show me how, with an example code or something ?
Ali.B is offline

08-13-2009, 04:53 AM	#4
laserlight C++ Witch Join Date: Oct 2003 Location: Singapore Posts: 10,368	Yes __________________ C + C++ Compiler: MinGW port of GCC Build + Version Control System: SCons + Bazaar Look up a C/C++ Reference and learn How To Ask Questions The Smart Way
laserlight is offline

08-13-2009, 04:57 AM	#5
Ali.B Registered User Join Date: Jan 2009 Posts: 37	wow nice .... thanks
Ali.B is offline

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