Question

php正则多个重复逗号替换为一个逗号

$html = 'assssssssss,,,,ssssss';
......
echo $html
结果 $html = 'assssssssss,ssssss';

Answer 1

$html = 'assssssssss,,,,ssssss';
$pattern = '/(,)+/i';
echo preg_replace($pattern,',',$html );