Update all new Tasks
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Task/String-matching/Perl/string-matching-2.pl
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Task/String-matching/Perl/string-matching-2.pl
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index($str1, $str2) == 0 # true if $str1 starts with $str2
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index($str1, $str2) != -1 # true if $str1 contains $str2
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rindex($str1, $str2) == length($str1) - length($str2) # true if $str1 ends with $str2
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