Various languages commonly used sentence judgment code _ other synthesis

Judging Chinese characters

Copy Code code as follows:

if (System.Text.Encoding.GetEncoding ("gb2312"). GetBytes ("Medium"). Length = = 2)//C #
if (Escape (str). IndexOf ("%u") < 0)//JavaScript

Judging numbers

Copy Code code as follows:

Number.as (v)//EZJ
Number.asint (v)//EZJ integer

Judging pure numbers

Copy Code code as follows:

Number.aspurenumber (v)//EZJ to judge pure digits (cannot have positive and negative numbers, decimal points)
System.Text.RegularExpressions.Regex.IsMatch (str, @ "^\d+$")//C #

Judging leap years

Copy Code code as follows:

If ((year% 4 = 0) && (year% 100!= 0)) | | (Year% 400 = 0)) C #, JavaScript
if (year mod 4 = 0) and (year mod <> 0)) or (n mod = 0) then//ASP

Number of pages judged

Copy Code code as follows:

int totalpages = ((totalRecords-1)/pageSize) + 1; C#
pagecnt = Fix ((recordcnt + pageSize-1)/pageSize)//ASP
[Code]

Other

[Code]
String str = String.Join (",", intlist.convertall<string> (New Converter<int, string> (M => m.tostring ())) . ToArray ());
C # string.join to int, core int list to String list
See simpler (. NET 4 applies):
String str = string.join<int> (",", intlist);