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| Keep It Simple, Stupid | |
| PerlMonks |
RE: CGI and Tracerouteby redcloud (Parson) |
| on Oct 19, 2000 at 03:29 UTC ( [id://37445]=note: print w/replies, xml ) | Need Help?? |
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Instead of using s/// to filter out the characters you
don't want, use it to only allow the characters you do want.
How about something like: $value =~ m/([-.0-9a-zA-Z]+)/; $value = $1; That would only allow dashes, dots, and alphanumerics, which IIRC are all you are allowed to use in a fully-qualified domain name.
In Section
Seekers of Perl Wisdom
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