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Count occurrences of a substring: Difference between revisions
Count occurrences of a substring (view source)
Revision as of 15:45, 3 September 2011
, 12 years agoAdded AutoHotkey example
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The matching should yield the highest number of non-overlapping matches. In general, this essentially means matching from left-to-right or right-to-left (see proof on talk page).
=={{header|AutoHotkey}}==
While it is simple enough to parse the string, AutoHotkey has a rather unconventional method which outperforms this. StringReplace sets the number of replaced strings to ErrorLevel.
<lang AutoHotkey>MsgBox % countSubstring("the three truths","th") ; 3
MsgBox % countSubstring("ababababab","abab") ; 2
CountSubstring(fullstring, substring){
StringReplace, junk, fullstring, %substring%, , UseErrorLevel
return errorlevel
}</lang>
=={{header|ALGOL 68}}==
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3 2 2
</pre>
=={{header|C}}==
<lang C>#include <stdio.h>
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