translate numbers to letters

1. Only numeric code can be entered in the text box (decimal point cannot be entered) 2. Only numbers can be entered, and decimal points can be entered. 3. Number and decimal point method 2This. t_value = This. value; If (this. value. Match (/^ (? : [\ + \-]? \ D + (? : \. \ D + )?)? $/) This. o_value = This. Value "onblur =" If (! This. value. Match (/^ (? : [\ + \-]? \ D + (? : \. \ D + )? | \. \ D *?)? $/) This. value = This. o_value; else {If (thi

.56G. drawrect (0, 0, width-1, height-1 );57 // set the font of the image context to the specified font58G. setfont (mfont );59G. setcolor (getrandcolor (160,200 ));60 for (INT I = 0; I 61 {62 int x = random. nextint (width-1 );63 int y = random. nextint (height-1 );64 int XL = random. nextint (6) + 1;65 int yl = random. nextint (12) + 1;66 // drawline (INT X1, int Y1, int X2, int Y2) in the coordinate system of the image context, the current color is used at the points (x1, Y1) and (X2, Y2) dra

C # randomly generated random numbers, you can customize the number of randomly generated letters and numbersThe above is an example of generating 8-bit random numbers, 4 digits, and 4-bit letters,The code is as follows:classProgram {Static voidMain (string[] args) { for(inti =0; I Ten; i++) {

Question: enter a line of characters to calculate the numbers of English letters, spaces, numbers, and other characters.1. Program analysis: Using the while statement, the condition is that the input character is not '\ n '.Import java. util. Collections;Public class ex7 {Public static void main (String args []) {System. out. println ("Enter the stri

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.

How to obtain random numbers of four letters and numbers in php This article mainly introduces some four-digit verification codes on the login interface or comment interface during php program development. For more information, see So we know that in php, a simple four-digit pure digit verification can be done with rand (,), but if we want to get a random four-

Int C = 0, Space = 0, num = 0, other = 0; Char s [] = "djwijfiw [email protected] # $! % "; // Scanf ("% s", S ); Char * STR = s; While (* Str! = '\ 0 '){ If (* STR> = 'A' * STR C ++; } Else if (* STR = ''){ Space ++; } Else if (* STR> = '0' * STR Num ++; } Else { Other ++; } STR ++; Printf ("% C", * Str ); } Printf ("English letters, spaces, numbers, and other characters: % d, % d \ n", C, space, num

Php generates 12-digit, unique-digit, and alphanumeric member card numbers without querying the database. when each member logs in, a unique membership card number is generated. ------ Solution -------------------- the easiest thing to think of is the use of random numbers, however, you cannot prove that the two results must be different. MD5 generates a 32-bit result string and it has proved that MD5 has a

Php generates random strings (user-defined combination of numbers, letters, and numbers) // Generate a random string Function rand_zifu ($ what, $ number ){ $ String = ''; For ($ I = 1; $ I // Hybrid $ Panduan = 1; If ($ what = 3 ){ If (rand (1, 2) = 1 ){ $ What = 1; } Else {

Php regular expression only keeps Chinese characters, letters, numbers, and jumps $ Str = "?> \ "S ~! @ # $ % ^ * () + _) (* Dsdffsde ~! @ # ￥ % ...... * 5545445 () + --)(*...... % ￥ #@!~ Movie _ Day After Tomorrow 230809-peopl.e die me d. (* ^ % $ #@!!~ "; Echo match_chinese ($ str); function match_chinese ($ chars, $ encoding = 'utf8') {$ pattern = ($ encoding = 'utf8 ')? '/[\ X {4e00}-\ x {9

JS can only be a number and a decimal point0. Cannot enter Chinese1) 2) 1. Text box can only enter a numeric code (decimal point can not enter)2. Only numbers can be entered and the decimal point may be lost.3. Number and decimal method two4. Only letters and characters can be entered5. Can only enter English letters and nu