Roman Neuhauser wrote:
# lists@xxxxxxxxx / 2007-01-17 17:02:12 -0800:
Beauford wrote:
if(!preg_match("/^[-A-Za-z0-9_.' ]+$/", $string)) {
return "Invalid Characters";
}
In your regex you have a "." this will match anything
try this:
<plaintext><?php
function ValidateString($string) {
if ( preg_match("/[^a-zA-Z0-9\_\.\' -]+/", $string) ) {
return "Invalid Characters";
}
return false;
}
That "." is inside a character class where it is a literal character
(matches only "."). Why are you backslashing the underscore is beyond
me.
This is fine, is there any harm in escaping them?
The match will work either way right?
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