translate numbers to letters

Rules for writing regular expressions:"/The rule must be written in the middle of two slashes./". (.: Decimal point) is used to match all characters except line breaks. (\ S: Lower-case backslash (s) is used to match a single space character, including the tab key and line break; (\ S: Backslash (uppercase) is used to match all characters except a single space character; (\ D: Backslash d) is used to match numbers from 0 to 9. You can also write

We often encounter verification characters or Chinese Characters in ASP. NET. We searched for some good examples and solutions on the Internet and listed them for sharing with you. You can use a regular expression to verify Chinese characters, numbers, and characters. A method found on the internet is provided: Source: http://www.cnblogs.com/flashicp/archive/2007/06/13/782355.html 1. A regular expression that only contains Chinese characters,

Javascript Regular Expression detection only contains Chinese characters, numbers, letters, and underscores. It cannot start or end with or after an underscore, for more information, see javascript Regular Expressions. Only Chinese characters, numbers, letters, and underscores are allowed. I encountered a user name

function VALIDPSW (password) {var num = 0;var number = 0;var letter = 0;var bigletter = 0;var chars = 0;if (Password.search (/[0-9]/)! =-1) {num + = 1;Number = 1;}if (Password.search (/[a-z]/)! =-1) {num + = 1;Bigletter = 1;}if (Password.search (/[a-z]/)! =-1) {num + = 1;letter = 1;}if (number>=1 (bigletter+letterAlert ("Not all numbers!");}if (number==0 (bigletter+letter>=1)) {Alert ("Not all letters!");}v

Password: it must contain only numbers and letters, 6-10 characters. How to write a regular expression? Solution ...... share to: more-Password: must contain only numbers and letters, 6-10 characters. How to write a regular expression? Solving ............ Share: More ------ Solution -------------------

If there is a mix of letters, numbers, and Chinese characters in a string, how can we separate them? after some thought, I got the following code and shared it with you: $ str = "how does php split the 322-letter-number sf f45d from the Chinese _ in a string? "; Separated by numbers or letters. $ Str = "how does php

This article describes a method that uses PHP to match 6-bit, 16-bit character combinations, which require only numbers, letters, and underscores. Refer to a friend who needs it.Requirement: PHP matches 6 to 16 bits of string. Only 6 to 16 characters consisting of numbers, letters, and underscores are allowed, conformi

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

In many system environments, letters and various encodings are used. The following describes how to use php to randomly generate random numbers of letters. if you are interested, you can understand that in many system environments, you will use letters and combinations of various encodings, the following code is very p

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, PHP generates random strings that can be specified as pure or pure letters or mixed, and can be specified in length. Generate Random string function Rand_zifu ($what, $number) { $string = "; for ($i = 1; $i Mixed letters and numbers $panduan = 1; if ($what = = 3) { if (ra

Password: it must contain only numbers and letters, 6-10 characters. How to write a regular expression? Solution ...... share to: more ------ solution ---------- password: must contain only digits and letters, 6-10 characters. How to write a regular expression? Solving ............ Share: More ------ Solution -------------------- $ Pattern = '/

First, we recommend a website for online testing/learning regular expressions, Http://www.gskinner.com/RegExr/ 1. A regular expression that only contains Chinese characters, numbers, letters, and underscores. It cannot start or end with or after the following line: ^ (?! _)(?!. *? _ $) [A-zA-Z0-9 _ \ u4e00-\ u9fa5] + $ where:^ Match the start point of the string(?! _) Cannot start _(?!. *? _ $) Cannot

This article describes how to use javascript to obtain random numbers of four digits or letters. For more information, see the following section. A simple method is to randomly extract four non-repeating characters from numbers and letters. The code example is as follows: Function only (ele, arr) {if (arr. length = 0

Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> // VaR Reg =/^ (\ D +) | ([A-Z] +) $/g filters out one or more numbers from the beginning to the end, or one or more 26 letters // VaR reg2 =/^ [\ u4e00-\ u9f5a] + $/g; filter out one or more Chinese characters from the beginning to the end. // VaR reg3 =/^ \ D {1, 3} $/g; filter

In programming, textbox is often used to accept only numbers (or others, such as Chinese characters, letters, and so on ), at this time, we may need to re-encapsulate a Textbox (other methods can also be used). We often see someone asking this question. Today, I took some time to encapsulate it. Now I share it with you, I hope to provide some help to you. If there is anything wrong, please make an axe. In a

is composed of numbers, letters, and special characters: public static void Main (string[] args) { String s = "122~!@#$%^* () 222222a"; String r = "^ (? =.*\\d.*) (? =.*[a-za-z].*) (? =.*[-' ~!@#$%^* () _+\\|\\\\=,./?> String s = "122~!@#$%^* () 222222a"; s = "122AS_WEEWR"; String r = "^ (? =.*\\d.*) (? =.*[a-za-z].*) (? =.*[-' ~!@#$%^* () _+\\|\\\\=,./?> Modified, must be composed of charact

, it is necessary to generate numbers and symbols (+. -。 *）。 According to the symbol, calculate the result, calculate the Chinese, and store the result in a listFirst look at the effect:Second, the CodeThe first implementation here is only numbers and letters. With no symbolic operationItem download1. Project overall structure2. Generate code with

;???????????? // Digit corresponding to the number ?? The value range is [1, char_num ]?????? Int? Nnum = I % char_num + 1 ;??? Summary: ???????????? When a number starts from 1 and is mapped to it, it is difficult to find the rule ???????????? In this case, what should I do ????????????? Next, let's look at the rule first ,? Instead, the number is processed first ,? Maps its equivalence to another sequence .???????????? If the rule of this sequence is easy to find, then we can directly use t