backslash character

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Java: Regular Expressions

Regular expression Syntax:syntax explanation character: C|character c\unnnn, \xnn,\0n,\0nn,\0nnn|a code element with a given hexadecimal or decimal \t,\n,\r,\f,\a,\e|Control: tab, line feed, carriage return, page feed, warning, escape character

Android Regular Expressions __ Regular expressions

In the Sun's Java JDK 1.40 version, Java has its own package that supports regular expressions, and this article introduces how to use the Java.util.regex package. To make a rough estimate, other Linu x users will encounter regular expressions

apache+mysql+php

Reprinted from: http://blog.csdn.net/buutterfly/article/details/5630203 DEDECMS deployment-How to deploy apache+mysql+php (LAMP)?1. Linux OS: Linux os:red Hat Enterprise Linux as Release 4 (Nahant Update 6) 2.Deploy Apache 2.1 Download

POSIX regular Expressions for PHP learning notes

1 Basic knowledgeRegular expressions are a way of describing a text pattern. So far, the exact (literal) match we used before is also a regular expression. For example, we have previously searched for terms for regular expressions like "shop" and

Hello, C + + (8) How do you express the amount of data that remains constant? 3.2.2 Constants

3.2.2 Constantsand variables can be used in the program to express those that may change the amount of data corresponding to, in C + +, we use constants to express those always remain unchanged data volume. In simple terms, the values, characters,

The POSIX regular expression _php tutorial for PHP Learning Notes

POSIX regular Expressions for PHP learning notes 1 Basic knowledge Regular expressions are a way of describing a text pattern. So far, the exact text we used earlier is also a regular expression. For example, we have previously searched for terms

Apache + Mysql + PHP

Apache + Mysql + PHP reproduced from: http://blog.csdn.net/buutterfly/article/details/5630203 DedeCMS deployment -- how to deploy Apache + Mysql + PHP (LAMP )?1. Linux OS: Linux OS: Red Hat Enterprise Linux AS release 4 (Nahant Update 6) 2.

Hello, C + + (8) How do you express the amount of data that remains constant? 3.2.2 Constants

3.2.2 Constantsand variables can be used in the program to express those that may change the amount of data corresponding to, in C + +, we use constants to express those always remain unchanged data volume. In simple terms, the values, characters,

Thinking of reading "A thought caused by a detail"

Today, I happened to see this "a detail caused by thinking", not only relieved my usual confusion, but also caused me a little thought. Know it but still need to know why, I think as CS students, this is the basic attitude should have. First

What are the differences between PHP daddslashes () and saddslashes () _php Tutorial

GPC filtering, automatic escape of special characters in $_get,$_post,$_cookie to prevent SQL injection attacks $_get = Saddslashes ($_get); $_post = Saddslashes ($_post); Copy CodeThe code is as follows: The following is an example of daddslashes (

What are the differences between php daddslashes () and saddslashes ()?

// GPC filter, automatically escape special characters in $ _ GET, $ _ POST, and $ _ cookies to prevent SQL injection attacks$ _ GET = saddslashes ($ _ GET );$ _ POST = saddslashes ($ _ POST ); Copy codeThe Code is as follows: The following is an

"Go" string. Format for C # string formatting

"Turn" http://blog.csdn.net/samsone/article/details/75567811. Formatted currency (related to system environment, Chinese system default format RMB, English system format USD)String. Format ("{0:c}", 0.2) results are: ¥0.20 (English operating system

C # int to string every three bits plus a comma

Long 14200666 ; Console.WriteLine (AAAA. ToString ("N0")); Console.WriteLine (string. Format ("{0:n0}"14200666)); Console.WriteLine (" architect www.itsvse.com"); Console.ReadLine ();1. Formatted currency (

Python Regular expression (escaping problem)

First of all, a rather embarrassing thing: in writing the shrimp music to try to listen to the downloader encountered a problem, because the saved files are named after the title of the music, so encountered some such as "'s really into Zhi/out

C # Escape Character summary

Escape character \• A special character constant;• Start with a backslash "\" followed by one or several characters.• Have a specific meaning, different from the original meaning of the character, it is called "escape" character.• Used primarily to

String. Usage of format

1. Formatted currency (related to system environment, Chinese system default format RMB, English system format USD)String. Format ("{0:c}", 0.2) results are: ¥0.20 (English operating system results: $0.20)The default formatting retains two decimal

About the definition of a macro function

I used to think that the definition of macro is very simple, there is no long macro function, the most commonly used is the definition of Max (), when writing a macro function today, relative to Max (), A little bit longer, and then stepped on a

The difference between daddslashes () and saddslashes () in PHP

----Saddslashes function Daddslashes ($string, $force = 0, $strip = FALSE) { Whether a string or array enforces removal If the magic reference is not turned on or $force is not 0 if (! MAGIC_QUOTES_GPC | | $force) { if

Difference between daddslashes () and saddslashes () in php-php Tutorial

Differences between daddslashes () and saddslashes () in php // ---- Saddslashes Function daddslashes ($ string, $ force = 0, $ strip = FALSE ){ // Whether to forcibly remove strings or arrays //

C # Escape Character summary

Escape character \• A special character constant;• Start with a backslash "\" followed by one or several characters.• Have a specific meaning, different from the original meaning of the character, it is called "escape" character.• Used primarily to

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