PHP Validation String Does Not Contain List Of Values -

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for example might:

$exclude_values = ['/','.']; $check_string = 'asdf/'; $return = 'valid'; foreach($exclude_values $value) {   if(strpos($value,$check_string) != false)   {    $return = 'invalid';   } }  return $return;

is there better way this? i've seen examples of single checks on stack not multiple values

i can't recommend string searching function outside multibyte or pcre lib, because not utf-8 compatible, , you'll have strange errors sooner or later.

in case regex better solution:

return !preg_match('%[/\.]%usd', $check_string);

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