backslash character

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

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

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

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

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,

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 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.

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,

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

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 (

// 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

"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

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 (

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

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

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

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

----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

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

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