Doh, so simple. I guess the correct form of the question would be how do
I determine if a string has just a-zA-Z0-9 in it plus punctuation...
Paul Chvostek wrote:
> On Fri, Nov 29, 2002 at 10:27:05PM -0600, Jonathan Sharp wrote:
>>Is there a way to determine if a string has ascii or binary data in it?
> You could always see if it matches a regular expression that represents
> the ascii range you're considering. I.e., ereg('[^a-zA-Z0-9]',$string)
> will return true if non-alphanumerics are in the string.
> Remember that a string is just a string. Whether the data contained in
> it is represented as ASCII or something else is completely a matter of
> implementation. ALL 7-bit data can be represented as ASCII. All 8-bit
> data can be represented as "IBM Extended ASCII" or whatever you want to
> call it. But the string is just a string of bits.
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