Regular expressions: Difference between revisions
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{{task}} |
{{task}} |
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{{Regular expression matching}} |
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The goal of this task is |
The goal of this task is |
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* to match a string against a regular expression |
* to match a string against a regular expression |
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* to substitute part of a string using a regular expression |
* to substitute part of a string using a regular expression |
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==[[Perl]]== |
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'''Interpreter:''' perl, v5.8.8 |
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#!/usr/bin/perl |
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$string = "I am a string"; |
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if ($string =~ /string$/) { |
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print "Ends with 'string'\n"; |
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} |
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#substitute |
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$string =~ s/ a / another / ; |
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print $string; |
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Revision as of 01:16, 24 January 2007
You are encouraged to solve this task according to the task description, using any language you may know.
The goal of this task is
- to match a string against a regular expression
- to substitute part of a string using a regular expression
Perl
Interpreter: perl, v5.8.8
#!/usr/bin/perl
$string = "I am a string";
if ($string =~ /string$/) {
print "Ends with 'string'\n";
}
#substitute
$string =~ s/ a / another / ;
print $string;