急!急!急!急!如何替换字符串中的反斜杠'\'

[lightgale]

如何替换路径字符串中的反斜杠'\'

[方工]

filename="C:\\folder1\\forder2\\myfiles\\file1.txt"

[xizi2008]

<?php
$str="http:\\asdklfl\\asdfa";
$str=str_replace("\\","=",$str);
echo $str;

[xizi2008]

sorry，写成php了，呵呵，

[redv]

String.replace(/\\/,"the string that you want")