PHP php使用preg_replace从文本中删除特殊字符

Posted 2021-05-14

# Legend for regular expression pattern used
# \s - whitespace
# [] - grouping
# \ - escape character
# \. - dot character


$text = 'this>! is %#4>sample* file 01.jpg';
$output = preg_replace('/[^a-zA-Z\s0-9\.]/', '', $text);
echo $output;


#result: this is 4sample file 01.jpg