Re: regex: chars to escape bsides @

[Reindl Harald]

Am 05.01.2015 um 22:13 schrieb John Hardin:

On Mon, 5 Jan 2015, Bowie Bailey wrote:

You can avoid having to escape the slash (/) by using a different
separator for the regex.  This can avoid "leaning toothpick syndrome."

For example:
  m#http://match/this/url/#

Ouch. # won't work for that (in SA at least) as it comments out the rest
of the RE.

which means # needs to be escaped too... thanks!

[harry@srv-rhsoft:~]$ php -r 'echo preg_quote("#");'
#

function sa_quote($input)
{
 $input = str_replace(array("\n", "\r", "\0"), '', trim($input));
 $input = str_replace("\t", ' ', $input);
 $input = preg_quote($input);
 $input = str_replace('/', '\/', $input);
 $input = str_replace('@', '\@', $input);
 $input = str_replace('%', '\%', $input);
 $input = str_replace('#', '\#', $input);
 return $input;
}

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