convert letters to numbers

* Verify user name* (Uppercase and lowercase letters, Chinese characters, numbers, underscores the length of 3-12 bytes)** @parameter string STR strings* @return Boolean*/ function Checkusername (str) { Return Str.match (/^) ([u4e00-u9fa5]|[ ufe30-uffa0]| [a-za-z0-9_]) {3,12}$/); } /*** Validate Regular characters* (only uppercase and lowercase letters,

The example in this article describes how to count the number of uppercase and lowercase letters, numbers, spaces, and other characters in C + + statistics. Share to everyone for your reference, specific as follows: * * Author: Liu Tongbin * Completion date: November 28, 2012 * Version number: v1.0 * Input Description: * Problem Description: There is an article, there are three lines of text, each lin

Title: Enter a line of characters, respectively, the number of English letters, spaces, numbers and other characters.The string is converted into an array, and then each char is judged by several methods in the character.The following is an introduction to the character class:CharacterClass wraps a value of a base type in an object char . An Character object of type contains char a single field of type.In a

The first method to obtain random numbers and letters in PHP lt ;? Php $ File-. rand (100,999); $ is a random number like nbsp; 20100903-132121-908 nbsp? Gt; Method 2 lt ;? Php PHP how to get random numbers and letters Method 1 $ FileID = date ("Ymd-His"). '-'. rand (100,999 ); // $ FileID is a random number

The first method to obtain random numbers and letters in PHP lt ;? Php $ FileID = date ( quot; Ymd-His quot ;). '-'. rand (100,999); // $ FileID is nbsp; 20100903-132121-908 nbsp; how to obtain random numbers and letters in such a random PHP file Method 1 $ FileID = date ("Ymd-His"). '-'. rand (100,999 ); // $

Example of getting started with the toUpperCase method of a JavaScript string object (used to convert letters into uppercase) and touppercase JavaScript toUpperCase Method The toUpperCase method is used to convert (English) strings into uppercase and return the converted strings. The syntax is as follows: Copy codeThe Code is as follows:Str_object.toUpperCase ()

Oracle SQL removes Chinese characters and retains numbers or letters. First, let's talk about oracle translate usage: 1. Syntax: TRANSLATE (string, from_str, to_str) 2. Purpose: Return (all appear) replace each character in from_str with the string after the corresponding character in to_str. TRANSLATE Is a superset of the functions provided by REPLACE. If from_str is longer than to_str, extra characters in

This article describes how to restrict only numbers and letters in the Javascript restricted text box. This article provides three types of scripts: limited to numbers, limited to letters, and limited to numbers and letters, for m

;, "Lu ", "identifier", "identifier "}; } /*** Convert numbers into uppercase letters* @ Param number the number does not support scientific numbers* @ Return*/Public static String chinese (String number ){StringBuffer su = new StringBuffer ();// Integer partNumber = delInvalidZero (number

Friends who use laptops may often experience situations where a number appears on the screen when we enter letters on a notebook keyboard. What happens when this kind of "input letters into numbers" is happening, and how are we going to solve it? In fact, the notebook keyboard to enter the letter variable number is because the notebook keyboard turned on the num

is hard to find ,?? Therefore, we need to think of a method that uses the previous rule and can start encoding from 1. ? Method: ??????? 1 )? Match the number first 1---20 ??? Corresponding to 0---19 ??? ??????? 2 )? Then apply the last program ?? Convert 0-19 ?? Corresponds to the A1-A20 ?? That is? What is the original serial number? 1-20 -- corresponds to a A1-A20? 　 ???? # Define? Char_num? 20 ???????????? // From 1? Start number ?????? In

Regular expression verification, 6-16 letters or numbers, 6-16 letters or numbers Reply to discussion (solution) Can it only contain letters, numbers, letters, or

Only to find a way to succeed, not to find excuses for failure!Use jquery to control text boxes to enter only numbers and lettersWhen the company developed the WinForm project, found that the company's own research and development of the TextBox control is very powerful, can achieve "only enter the number", "only enter letters" and "only enter numbers and

PHP get random numbers and letters method Daquan The first of these methods $FileID =date ("Ymd-his"). '-' . Rand (100,999); $FileID a random number such as 20100903-132121-908. ?> The second method of function Randomkeys ($length) {$RETURNSTR = ";$pattern = ' 1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLOMNOPQRSTUVWXYZ ';for ($i = 0; $i $returnStr. = $pattern {Mt_rand (0, 61)}; Generate PHP Ra

This article describes how to generate a random combination of numbers and letters in php. The example analyzes the skills and usage of generating random numbers and random letters in php, which is very useful. For more information, see This article describes how to generate a random combination of

2011-03-22 wcdj Problem description:I wanna to make a prog which convert small case letters entered by user to upper case letters .... I tried to use toupper function... but it only do action with a single character... is there any function which convert all characters like "lovely Hakeem" to "lovely Hakeem"(Not by l

ASCII code for letters and numbers The most widely used character set and its encoding in the current computer are ASCII codes developed by the United States National Standards Agency (ANSI) (American Standard Code for information interchange, US Standards Information Interchange Code), It has been established as an international standard by the International Organization for Standardization (ISO), known as

function Exercise 2 write a function to implement a given string (the string contains letters, number, symbol) processing. The content of the processed string is stored in the order of letters, numbers, and symbols. Function declaration: void parsestring (char * pstr); requirement: . function declaration cannot be modified. B. the original seq

; } Else { Return false; } } } /* Determine whether the certificate number meets the requirements. The certificate number contains Chinese characters, numbers, uppercase/lowercase letters, (,), and ,(,),- True is returned, not false. */ Function isZSBH (str ){ If ("" = str ){ Return false; } For (var I = 0; I var c = str. charAt (I ); Alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ "; Alpha + = "abcdefghijklmnopqrstuvw

Only to find a way to succeed, not to find excuses for failure!Use jquery to control text boxes to enter only numbers and lettersWhen the company developed the WinForm project, found that the company's own research and development of the TextBox control is very powerful, can achieve "only enter the number", "only enter letters" and "only enter numbers and