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A summary of several C # common regular expressions-basic application

Using System; Using System.Text.RegularExpressions; Namespace Commontools { /**////Summary description of the regexlib. public class Regexlib { Verify email address public static bool IsValidEmail (string strin) { Return true if Strin are in valid e-mail format. Return Regex.IsMatch (Strin, @ "^" ^ [\w-\.] +) @ (\[[0-9]{1,3}\. [0-9] {1,3}\. [0-9] {1,3}\.) | (([

A class of regular expressions

Using System; Namespace Regexlib { Summary description of the CLASS1. public class Regexlib { Public Regexlib () { TODO: Add constructor logic here// } Search the input string and return all href= "..." values String Dumphrefs (String inputstring) { Regex R; Match m; R = new Regex ("hrefs*=s*:" (? regexoptions.ignorecase|regexoptions.compiled); for (M = R.match (inputstring); m.success; m = M.nextmatch ()) { Return ("Found href" + m.groups[1]); } } Verify email address BOOL IsValidEmail (string

C # Chinese Word Segmentation [statistical-based Naive Bayes algorithm]

(wordlib. containskey (tmpstr )){Wordlib. trygetvalue (tmpstr, out tmpval );Wordlib [tmpstr] = tmpval + 1;}ElseWordlib. Add (tmpstr, 1 );}Else {If (singlewordlib. containskey (tmpstr )){Singlewordlib. trygetvalue (tmpstr, out tmpval );Singlewordlib [tmpstr] = tmpval + 1;}ElseSinglewordlib. Add (tmpstr, 1 );}// Í~~~~~~ö'{×ézä}Tmpstr = "";Flag = false;} If (maxlen {Maxlen = tmpstr. length;// Ç çâ µ μ ¥'{× î 'óµä³ ~~=...}}}Sr. Close (); Streamwriter Sw = new streamwriter (savepath ); Foreach (stri

gb2312 utf-8 garbled and URL Chinese decoding

function UrlDecode (Strin)UrlDecode = ""Dim Sl:sl = 1Dim Tl:tl = 1Dim Key:key = "%"Dim Kl:kl = Len (key)SL = InStr (SL, Strin, key, 1)Do While sl>0if (tl=1 and slUrlDecode = UrlDecode Mid (Strin, TL, SL-TL)End IfDim hh, Hi, HLDim aSelect Case UCase (Mid (Strin, SL+KL, 1))Case "U": ' Unicode UrlEncodeA = Mid (

Simple C # verification class

Using system;Using system. Text. regularexpressions;Namespace bobobomousecom. CRM{/// /// Summary of regexlib./// Public class regexlib{Public regexlib (){//// Todo: add the constructor logic here//} // Search for the input string and return all href = "..." ValuesString dumphrefs (string inputstring){RegEx R;Match m;R = new RegEx ("href \ s * = \ s *(? :\"(? Regexoptions. ignorecase | regexoptions. Compiled );For (M = R. Match (inputstring); M. success; M = M. nextmatch ()){Return ("found href

Hibernate JPA @Column Description

JPA @Column Description@Column (name= "ColumnName"; boolean unique () default False;boolean nullable () default True;boolean insertable () default True;boolean updatable () default true; String columndefinition () default ""; String table () default ""; int length () default 255;int precision () default 0; Decimal Precisionint scale () default 0; Decimal scalename Optional, field name (default value is property name) unique optional, whether to set a

Python acquires pinyin instance program for Chinese characters

;zhao,-10800 ; zhe,-10790;zhen,-10780;zheng,-10764;zhi,-10587;zhong,-10544;zhou,-10533;zhu,-10519;zhua,-10331;zhuai,-10329; Zhuan,-10328;zhuang,-10322;zhui,-10315;zhun,-10309;zhuo,-10307;zi,-10296;zong,-10281;zou,-10274;zu,-10270;zuan , -10262;zui,-10260;zun,-10256;zuo,-10254 'def Pinyin (num):Global tableIf Num>0 numreturn Chr (NUM)V=table.split (';')For i in Xrange (Len (v) -1,-1,-1):S=v[i].split (', ')if Int (s[1]) return S[0]Breakif __name__ = = "__main__":Chinese = ' I'm the Thorn bird who

Php regular expressions-PHP source code

Expressions1. Confirm the valid email formatThe following code example uses the static Regex. IsMatch method to verify whether a string is in a valid email format. If the string contains a valid email address, the IsValidEmail method returns true; otherwise, the return value is false without any other operations. You can use IsValidEmail to filter out email addresses that contain invalid characters before the application stores the addresses in the database or displays them on the ASP. NET page

If you determine whether a character is a Spanish or a Chinese character

1. If you determine whether a character is a Spanish character or a Chinese character As you know, Spanish characters mainly refer to ASCII codes, which are expressed in one byte. After this character is converted to a number, the number is greater than 0, and the Chinese character is two bytes. After the first byte is converted to a number, it should be less than 0, therefore, you can determine whether each byte is a Chinese character based on whether it is less than 0 after being converted to

Java encryption and decryption

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->////////// Private Static string strdefaultkey = "# % ^ "; /** * Convert the byte array to a string that represents the hexadecimal value, for example, byte [] {8, 18} To 0813, and public static byte [] * Hexstr2bytearr (string strin) is a reversible conversion process. * * @ Param arrb * Byte array to be converted * @ Return refers to the converted str

JS--Regular expressions

invalid characters before the application stores the address in the database or appears in an ASP.[Visual Basic]Function IsValidEmail (Strin as String) as Boolean' Return True if Strin is in valid e-mail format.Return Regex.IsMatch (Strin, ("^ [\w-\.] +) @ ((\[[0-9]{1,3}\. [0-9] {1,3}\. [0-9] {1,3}\.) | ([\w-]+\.) +)) ([a-za-z]{2,4}| [0-9] {1,3}) (\]?) $")End Fu

[Asp-last-code] shows the code for the ASP page

Show | page '************************************************************* ' In the case of support FSO, you can display the code of all ASP pages in this site ' The code that displays the page directly on the effect page when the code is demonstrated without having to make a special page for the code ' Use method: viewsource.asp?file= the file name to display ' such as: viewsource.asp?file=x.asp ' Modify By:babyt '************************************************************* %> Dim objFSO, Obji

HDU1020 string manipulation

#include #includestring.h>intN;intsize;voidMain () {scanf ("%d", N); GetChar (); //read the remaining carriage return characters for(inti =0; i ) { intindex =0; Charstrin[10000] = {' /'}; Charstrout[10000] = {' /'}; intcount['Z'] = {' /'}; Gets (Strin); //reading a string from the keyboardSize = (int) strlen (Strin); for(intj =0; J ) { if(

. Four examples of application of regular expressions under net

1. Confirm valid e-mail format The following code example uses the static Regex.IsMatch method to verify whether a string is a valid e-mail format. If the string contains a valid e-mail address, the IsValidEmail method returns True, otherwise it returns false without taking any other action. You can use IsValidEmail to filter e-mail addresses that contain invalid characters before an application stores the address in a database or displays it in a asp.net page. [Visual Basic] Function IsVali

Classic JavaScript Regular expression [quality typesetting]_ Regular expression

+$ Match email address Copy Code code as follows: ^[\w-]+ (\.[ \w-]+) *@[\w-]+ (\.[ \w-]+) +$ Match URL Copy Code code as follows: ^[a-za-z]+://Match (\w+ (-\w+) *) (\. ( \w+ (-\w+) *)) * (\?\s*)? $ Match HTML tag Copy Code code as follows: Visual Basic C # Regular Expression 1. Confirm valid e-mail format The following example uses the static Regex.IsMatch method to verify whether a string is a valid e-mail format. If th

The JPA @column () annotation is detailed __JPA

10 properties has the following meanings: 1, the name Name property defines the names of the fields in the database table to which the fields are labeled; 2, the unique unique property indicates whether the field is a unique identifier, and the default is False. If you have a field in a table that requires a unique identity, you can either use the tag or use the @uniqueconstraint in the @table tag. 3. The Nullable Nullable property indicates whether the field can be a null value and the default

JPA Basic Attribute annotations

TABLE 4Each means that the ORM framework is automatically selected, generated according to the identity field of the database, generated from the sequence field of the database table to generate a primary key based on an additional table, and the default is autoGenerator: Represents the name of the primary key generator, which is usually related to the ORM framework, for example, hibernate can specify how the primary key is generated, such as the UUID.Hibernate UUID@Id @GeneratedValue (generato

JPA & ORM

framework, for example, hibernate can specify how the primary key is generated, such as the UUID.Hibernate UUID@Id @GeneratedValue (generator= "System-uuid")@GenericGenerator (name= "System-uuid", strategy = "uuid")(5) Basic@javax. Persistence.basic (Fetch=fetchtype.lazy,optional=true)Fetch: Crawl strategy, delay loading and immediate loadingOptional: Specifies whether the field is allowed to be NULL when building the database structure(6) Column@javax. Persistence.column (length=15,nullable=fa

P/invoke Fragments -- processing strings

P/invoke Fragments -- processing stringsSeveral styles of strings in the memory are called styles, that is, the existence of strings in the memory. How to store, occupy the memory size, and the storage order. The string style is generally different in different programming languages and platforms. 1 ,. the string style in. net. managed code in. net: 1 string strin = "in string"; 2 Console. writeLine (strin)

Common Regular Expressions

returns True, otherwise false, but no other action is taken. You can use IsValidEmail to filter out e-mail addresses that contain invalid characters before the application stores the address in the database or appears in an ASP.[Visual Basic]Function IsValidEmail (Strin as String) as Boolean' Return true if Strin is in valid e-mail format.Return Regex.IsMatch (Strin

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