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Count occurrences of a substring: Difference between revisions

Count occurrences of a substring (view source)

Revision as of 18:40, 16 June 2011

3 bytes removed ,  13 years ago
m
→‎{{header|Java}}: Typos
m (Clarify that the highest number of matches should be shown. Existing examples are fine.)
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</pre>
=={{header|Java}}==
This method replacesremoves the first occurenceoccurrence of the substring, checks for changes, and continues if something changed. It counts each replacementremoval attempt (even if nothing is replaced), so the count starts at -1 to offset the last replacementremoval attempt where nothing changed.
<lang java>import java.util.regex.Pattern;
 
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do{
str = newStr;
newStr = str.replaceFirst(Pattern.quote(subStr), "");//attempt a replacementremoval
ans++;//count it
}while(!str.equals(newStr));
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2
2</pre>
 
=={{header|Perl}}==
<lang perl>sub countSubstring {
Anonymous user
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