Count occurrences of a substring: Difference between revisions
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print countSubstring("the three truths","th"), "\n"; |
print countSubstring("the three truths","th"), "\n"; # prints "3" |
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print countSubstring("ababababab","abab"), "\n";</lang> |
print countSubstring("ababababab","abab"), "\n"; # prints "2"</lang> |
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=={{header|Perl 6}}== |
=={{header|Perl 6}}== |
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<lang perl6>sub count-substring($big,$little) { +$big.comb: /$little/ } |
<lang perl6>sub count-substring($big,$little) { +$big.comb: /$little/ } |
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say count-substring("ababababab","abab");</lang> |
say count-substring("ababababab","abab");</lang> |
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Note that in Perl 6 the <tt>/$little/</tt> matches the variable literally, so there's no need to quote regex metacharacters. Also, prefix <tt>+</tt> forces numeric context in Perl 6 (it's a no-op in Perl 5). One other style point: we now tend to prefer hyphenated names over camelCase. |
Note that in Perl 6 the <tt>/$little/</tt> matches the variable literally, so there's no need to quote regex metacharacters. Also, prefix <tt>+</tt> forces numeric context in Perl 6 (it's a no-op in Perl 5). One other style point: we now tend to prefer hyphenated names over camelCase. |
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=={{header|PHP}}== |
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<lang php><?php |
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echo substr_count("the three truths", "th"), "\n"; // prints "3" |
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echo substr_count("ababababab", "abab"), "\n"; // prints "2" |
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?></lang> |
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=={{header|PicoLisp}}== |
=={{header|PicoLisp}}== |
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