/**/
/// <summary> 
/// check DateTime. Example:2005-9-2 
/// </summary>
public
bool
IsValidDate(
string
str)
{ return Regex.IsMatch(str, @"^(((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)))|((((1[6-9]|[2-9]\d)\d{2})/(0?[13578]|1[02])/(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})/(0?[13456789]|1[012])/(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})/0?2/(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))/0?2/29/))$"); }
/**/
/// <summary> /// check Long DateTime Example:2005-9-2 13:20:37 /// </summary>
public
bool
IsValidDateLong(
string
str)
{ return Regex.IsMatch(str, @"^(((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) (20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d)|(((((1[6-9]|[2-9]\d)\d{2})/(0?[13578]|1[02])/(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})/(0?[13456789]|1[012])/(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})/0?2/(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))/0?2/29/)) (20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d)$"); }
/**/
/// <summary> /// String To DateTime,return DateTime /// </summary>
public
DateTime StringToDateTime(
string
str)
{ return DateTime.Parse(str.Trim()); }
/**/
/// <summary> /// DateTime To String,return string.Example:1900-01-01 /// </summary>
public
string
DateTimeToString(DateTime datetime)
{ return datetime.ToString("yyyy-MM-dd"); }
/**/
/// <summary> /// DateTime To String,return string.Example:19000101000000 /// </summary>
public
string
DateTimeToStringLong(DateTime datetime)
{ return datetime.ToString("yyyyMMddhhmmss");// return datetime.ToString("yyyy-MM-dd"); }
/**/
/// <summary> /// create random number /// </summary>
public
int
GetRandomNum(
int
up,
int
down)
{ Random ro=new Random(unchecked((int)DateTime.Now.Ticks)); return ro.Next(up,down); }
/**/
/// <summary> /// is or not Numberic /// retrun true or false /// </summary>
public
bool
IsNumberic(
string
str)
{ try 
{ int var1=Convert.ToInt32 (str); return true; 
} catch { return false; } }
/**/
/// <summary> /// when you enter website,please run IsValidSting(string). /// replace '|;|--| /// retrun new string /// </summary>
public
string
IsValidSting(
string
str)
{ str = str.Replace("'","''"); str = str.Replace(";",","); str = str.Replace("--","_"); str = str.Replace(" "," "); return str; }
/**/
/// <summary> /// after you enter website,please run IsValidToSting(string). /// replace (new string) /// retrun old string /// </summary>
public
string
IsValidToSting(
string
str)
{ str = str.Replace("''","'"); str = str.Replace(",",";"); str = str.Replace("_","--"); str = str.Replace(" "," "); return str; }
/**/
/// <summary> /// check character string exist key words /// retrun true or false /// </summary>
public
bool
CheckString(
string
str)
{ bool ck=true; if(str.IndexOf("'")!=-1) { return false; } if(str.IndexOf(";")!=-1) { return false; } if(str.IndexOf("--")!=-1) { return false; } if(str.IndexOf(" ")!=-1) { return false; } return ck; }
/**/
/// <summary> /// check email /// </summary>
public
bool
IsValidEmail(
string
str)
{ return Regex.IsMatch(str, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$"); }
/**/
/// <summary> /// check web URL /// </summary>
public
bool
IsValidUrl(
string
str)
{ return Regex.IsMatch(str, @"^(http://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?)|(([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?)$"); }
/**/
/// <summary> /// check IDCard /// return true or false /// </summary>
public
bool
IsValidIDCard(
string
str)
{ return Regex.IsMatch(str,@"^(\d{18}|\d{15})+$"); }
/**/
/// <summary> /// check Pcode /// return true or false /// </summary>
public
bool
IsValidPcode(
string
str)
{ return Regex.IsMatch(str,@"^(\d{6})+$"); }
/**/
/// <summary> /// check tel /// Example:0599-1234567-0000 or 0599-1234567 or 13912345678 or 025-12345678 /// return true or false /// </summary>
public
bool
IsValidTel(
string
str)
{ return Regex.IsMatch(str,@"^((\d{11})|((\d{3}|\d{4})-(\d{7}|\d{8}))|((\d{3}|\d{4})-(\d{7}|\d{8})-(\d{4})))$"); }
/**/
/// <summary> /// check string is or not english and _ /// Example:abcd_abcd /// return true or false /// </summary>
public
bool
IsValidEN(
string
str)
{ return Regex.IsMatch(str,@"^\w+$"); }
转载于:https://www.cnblogs.com/yangtu86/archive/2006/11/27/574063.html
原文链接：https://blog.csdn.net/weixin_30342827/article/details/96522857
本站声明:网站内容来源于网络,如有侵权,请联系我们,我们将及时处理。
还没有人抢沙发呢~