[英]Help to port php function for do “clean url” to c#
我試圖將此 function 移植到 c#
http://www.phpsnaps.com/snaps/view/clean-url/
我在正則表達式 charp 命名法中轉換 ""~[^-a-z0-9_]+~" (php 模式命名法)時遇到問題。
<?php
function cleanURL($string)
{
$url = str_replace("'", '', $string);
$url = str_replace('%20', ' ', $url);
// (PROBLEM) substitutes anything but letters, numbers and '_' with separator
$url = preg_replace('~[^\pL0-9_]+~u', '-', $url);
$url = trim($url, "-");
// you may opt for your own custom character map for encoding.
$url = iconv("utf-8", "us-ascii//TRANSLIT", $url);
$url = strtolower($url);
(PROBLEM)
$url = preg_replace('~[^-a-z0-9_]+~', '', $url); // keep only letters, numbers, '_' and separator
return $url;
} // echo cleanURL("Shelly's%20Greatest%20Poem%20(2008)"); // shellys-greatest-poem-2008
?>
這是 c# function:
static String cleanURL(String url)
{
url = url.Replace("'", "");
url = url.Replace("%20", " ");
url = System.Text.RegularExpressions.Regex.Replace(url, "~[^\pL0-9_]+~u", "-");
url = url.Trim(new char[1]{'-'});
Encoding ascii = Encoding.ASCII;
Encoding utf8 = Encoding.UTF8;
byte[] utf8bytes = utf8.GetBytes(url);
byte[] asciiBytes = Encoding.Convert(utf8, ascii, utf8bytes);
char[] asciiChars = new char[ascii.GetCharCount(asciiBytes, 0, asciiBytes.Length)];
ascii.GetChars(asciiBytes, 0, asciiBytes.Length, asciiChars, 0);
url = new string(asciiChars);
url = url.ToLower();
url = System.Text.RegularExpressions.Regex.Replace(url, "~[^-a-z0-9_]+~", "");
return url;
}
謝謝。 任何可以幫助我?
~ at start 和 end 只是模式開始結束標記,在 c# 格式中不需要它們
所以~[^-a-z0-9_]~
應該只是[^-a-z0-9_]
第一個模式末尾的 u 使 php 將該模式視為 UTF8,您不需要它。
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