Hi, I'm new to perl and I'm trying to modify some perl code that processes text going out of an SMS gateway. Currently it suppresses all control characters using this line:
$msg =~ s/[[:cntrl:]]+/ /sg; #(remove CR LF, etc. ORIGINAL LINE)

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I want to allow newlines thru but still suppress the other control chars in case they cause trouble with the SMS. Thinking of trying something like:
$msg =~ s/[\n\r]/[~^]/sg;
$msg =~ s/[[:cntrl:]]+/ /sg; #(remove CR LF, etc. ORIGINAL LINE)
$msg =~ s/[~^]/[\n\r]/sg;

[download]
Is there a cleaner way to do it? Would it be better to use tr rather than s ? Can I exclude ranges of chars rather than substituting?

In reply to CR's and other control chars by Anonymous Monk

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