Function str_replace() and explode() and regex

penulis iseng2 menuliskan kode yang sudah umum...tentang penggantian karakter,
disi akan di tampilkan script penggantian karakter dengan fungsi str_replace()

$badchars = array('/', '-', '&', ')', '(', '"', '.', '!', '?');
str_replace($badchars,'',$title);
str_replace(', ',', and ',$title);

$title=str_replace(':','', str_replace(';','', str_replace('/','', str_replace('-','', str_replace('&','', str_replace(')','', str_replace('(','', str_replace('"','', str_replace('.','', str_replace('!','', str_replace('?','', str_replace(' ',' ', str_replace(' ',', ',trim($title))))))))))))))

function makeLine($str) {
$a = explode(', ', $str);
for($i=0; $i<count($a)-1; $i++) {
$tmp.= $a[$i].', ';
}
$tmp = substr($tmp, 0, strlen($tmp)-2);
$tmp.= ' and '.$a[count($a)-1];
return $tmp;
}

Try:

$before ='This is a sentence )*(a(B*Z&abc%QER12356';

$after = preg_replace( '/[^a-zA-Z]/', '', $before);

echo $before.'<br />'.$after.'<br />';

to get

This is a sentence )*(a(B*Z&abc%QER12356
ThisisasentenceaBZabcQER

or add a space to the pattern to keep the spacing between the words

$after = preg_replace( '/[^a-zA-Z ]/', '', $before);

echo $before.'<br />'.$after.'<br />';

to get

This is a sentence )*(a(B*Z&abc%QER12356
This is a sentence aBZabcQER

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