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- How to make sure blank messages cannot be sent PHP Validation [closed]
- if(!empty($string)) {
- 1234567890-=qwertyuiop[]asdfghjkl'#zxcvbnm,./!"£$%^&*()_+|?<>
- if(trim($string) != "") {
- if (preg_match('/[0-9a-zA-Z-=[]'#\,./!"£$%^&*()_+|?<>]+/is', $string)) {
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