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How to replace Chinese and English symbols in php?

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Release: 2023-03-02 09:56:01
Original
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php Chinese and English symbol replacement method: 1. Simple replacement, the code is [$val1=str_replace(',',',',$val1);]; 2. All character replacement, that is, regular replacement , the code is [c[i]=(char)(c[i]-65248);].

How to replace Chinese and English symbols in php?

How to replace Chinese and English symbols in php:

1. Summary of methods

Method 1: Simple replacement (php code)

$val1=str_replace(',',',',$val1);
$val1=str_replace('(','(',$val1);
$val1=str_replace(')',')',$val1);
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Method 2: Replace all characters (regular replacement)

for (int i = 0; i < c.Length; i++)
{
if (c[i]==12288)
{
c[i]= (char)32; continue;
}
if (c[i]>65280 && c[i]<65375)
c[i]=(char)(c[i]-65248);
}
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2. Replace Chinese punctuation marks Into English punctuation marks

Simple replacement (php code)

$val1=str_replace(&#39;,&#39;,&#39;,&#39;,$val1);
$val1=str_replace(&#39;(&#39;,&#39;(&#39;,$val1);
$val1=str_replace(&#39;)&#39;,&#39;)&#39;,$val1);
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/// 转全角的函数(SBC case) ///
///任意字符串
/// 全角字符串 ///
///全角空格为12288,半角空格为32
///其他字符半角(33-126)与全角(65281-65374)的对应关系是:均相差65248 ///
  
public string ToSBC(string input)
{ //半角转全角:
    char[] c=input.ToCharArray();
      for (int i = 0; i < c.Length; i++)
    {
       if (c[i]==32)
    {
    c[i]=(char)12288; continue;
  }
   if (c[i]<127) c[i]=(char)(c[i]+65248);
   }
return new string(c);
}
  
/// /// 转半角的函数(DBC case) ///
///任意字符串
/// 半角字符串 ///
///全角空格为12288,半角空格为32
///其他字符半角(33-126)与全角(65281-65374)的对应关系是:均相差65248 ///
public string ToDBC(string input)
{
char[] c=input.ToCharArray();
for (int i = 0; i < c.Length; i++)
{
if (c[i]==12288)
{
c[i]= (char)32; continue;
}
if (c[i]>65280 && c[i]<65375)
c[i]=(char)(c[i]-65248);
}
return new string(c);
}
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