numbers to letters converter

So we know that simple four-digit pure digital verification in PHP can be done with Rand (1000,9999), but if we're going to get a random four-digit number of letters and numbers, how do we write a function? The following Hu Peng blog in the PHP data column gives a complete example. "W", "X", "Y", "Z", "A", "B", "C", "D", "E", "F", "G", " H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",

@t Table(CHRnchar(1) Collate Chinese_prc_ci_as,letternchar(1)) INSERT into @t(Chr,letter)SELECT 'Acridine','A' UNION All SELECT 'Eight','B' UNION All SELECT 'Cha','C' UNION All SELECT 'Otah','D' UNION All SELECT 'Ehegan','E' UNION All SELECT 'Hair','F' UNION All SELECT 'Xu','G' UNION All SELECT 'hafnium','H' UNION All SELECT ' not','J' UNION All SELECT 'ka','K' UNION All SELECT ' Garbage','L' UNION All SELECT '嘸','M' UNION All SELECT 'Hallasa

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

1. Regular Expressions used to filter out letters, numbers, and Chinese characters in Java (1) filter out regular expressions of letters [^ (A-Za-z)] (2) filter out regular expressions of numbers [^ (0-9)] (3) filter out regular expressions in Chinese [^ (\ U4e00-\ u9fa5)] (4) Regular Expressions used to filter out

Analysis of a regular expression that matches numbers and letters and passwords The password for a user registration function must consist of numbers and letters. It must contain both numbers and letters and be between 8 and 16 ch

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

When 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 letters" Three input restrictions, so that you can precisely control the user input content range, so that " Users will never be able to

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

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

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

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

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