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Perl Question directed to ozo the genuis

Posted on 2009-05-10
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Last Modified: 2012-05-06
Name any 5 regular expression modifies and describe the effect each has on a pattern match

True / False

1)      You may choose any non-alphanumeric character as a delimiter for a regular expression patter match
2)      while (<$file>) {&} and foreach(<$file>) {&} have the same output (assume similar statement block
3)      while (<$file>) {&} and foreach(<$file>) {&} operate internally in the same manner (assume similar statement block
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Question by:1030071002
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Accepted Solution

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ozo earned 1500 total points
ID: 24349161
see
perldoc perlop
you can't use whitespace as a delimiter
the output may be different if the block contains things like
print $.
or
<$file>
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by:1030071002
ID: 24349182
dont understand a 100%
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Author Comment

by:1030071002
ID: 24349189
i understand this a 100%
http://perldoc.perl.org/perlop.html
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