php替换掉指定字符之间内容

php替换掉指定字符之间的内容

$text = '
some other text
 
i like berries
';

//this preg is searching for tags and text inside it
//and then change all first words to upper
$text = preg_replace_callback('#(<.*?>)(.*?)()#', function($matches){

  //this preg is searching for last letters in words and changing it to upper
  $t = preg_replace_callback('#([^ ])( |$)#', function($matches2){
    return strtoupper($matches2[1]) . $matches2[2];
  }, ucwords($matches[2]));
  return $matches[1] . $t . $matches[3];
}, $text);

var_dump($text);

替换掉html标签之间内容的空格

$text = preg_replace_callback('#(<.*?>)(.*?)()#', function($matches){

    //this preg is searching for last letters in words and changing it to upper
    $t = preg_replace_callback('#([^ ])( |$)#', function($matches2){
        return strtoupper($matches2[1]) . $matches2[2];
    }, ucwords($matches[2]));
    $t = str_replace(' ', '', $t);
    return $matches[1] . $t . $matches[3];
}, $text);