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There are always a lot of text boxes that prohibit non-Numeric Character Input. For example, if the mobile phone number has a zip code, the following describes how to prohibit it. Interested friends can learn about it at work, there are always a lot of text boxes that prohibit non-numeric characters from being entered, such as mobile phone numbers.
The
There are always a lot of text boxes that prohibit non-Numeric Character Input. For example, if the mobile phone number has a zip code, the following describes how to prohibit it. Interested friends can learn about it at work, there are always a lot of text boxes that prohibit non-numeric characters from being entered, such as mobile phone numbers.
The
One way to solve the problem of adding extra large numbers is to turn the shaping into a string, not much to say directly on the code, which has been debugged through.#include Two extra large numbers added
This time for everyone to bring PHP to calculate the integer set of large numbers, PHP to calculate the number of extra-large digital integer set of considerations, the following is the actual case, take a look.
Needless to say, the exact code is as follows:
function Getintadd ($a, $b) {$c = "; $bCount = strlen ($b); $aCount = strlen ($a); $count = max ($bCoun
value.
Such as
$n = ' 22222222222222222222222222220 ';Echo $n;?>If not quoted, display 2.2222222222222E+28, quote 22222222222222222222222222220
Extra-large numerical operations, including subtraction, power operations, square roots, modulo operations.
Use PHP's Bcmath function to create a custom function with the following code,
Function Calc ($m, $n, $x) {
$errors =array (' dividend cannot b
PHP phone numbers Mobile number zip email verificationPhone number Verificationqh-Area code dh-Phonefunction Valitel (QH, DH){var re =/^ ([d]{3,5})? [-] ([d]{7,8}) $/;Return Re.test (QH + "-" + DH);}
Mobile phone number Verificationfunction Valimobile (SJ){var re =/^13[0-9]{9}|159[0-9]{8}$/;Return Re.test (SJ);}
Postal numbering Verificationfunction Valipostcod
Copy CodeThe code is as follows:
Class zip
{
var $datasec, $ctrl _dir = Array ();
var $eof _ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
var $old _offset = 0; var $dirs = Array (".");
function get_list ($zip _name)
{
$zip = @fopen ($zip _name, ' RB ');
if (! $
Example 1. download the prepared zip file first. php tool class. after downloading and decompressing the file, put the file in the corresponding directory. I put it in the include folder under the virtual directory. 2. add the following code to your php file: require_once./include/zip. php; $ zipnewPHS php compressed file zip
Example of zip compression for php files1. Download the zip. php tool class that I have prepared, decompress it, and put the files in the directory. I put the files in the include folder under the virtual directory.2. Add the following code to your php file:Usage:Require_once "./include/zip. php ";$
1. Download the zip. php tool class that I have prepared, decompress it, and put the files in the directory. I put the files in the include folder under the virtual directory.2. Add the following code to your php file:Copy codeThe Code is as follows:Require_once "./include/zip. php ";$
This program can be quickly implemented to our files using PHP compression class compressed into our thinking zip, or rar compression package, suffix name can be customized Oh, compression algorithm is from a foreign site copy.
First instantiate and then pass the argument. Two parameters. First an array of your file addresses. The second is the absolute address of the compressed package file that you want to save.
For example:
The
1. Please download my prepared zip.php tool class, download and unzip, put the file in the corresponding directory, I was placed in the virtual directory under the Include folder.
2. Add the following code to your PHP file
Copy Code code as follows:
Require_once "./include/zip.php";
$zip = new Phpzip
1. Please download my prepared zip.php tool class, download and unzip, put the files inside the corresponding directory, I was placed in the virtual directory in the Include folder.
2. Add the following code to your PHP file
Copy CodeThe code is as follows:
Require_once "./include/zip.php";
$zip = new Phpzip ();
$zip-
ZipCode
if (Document.regform.u_zipcode.value = = "") {
Alert ("Hint: You must enter a ZIP code!") ");
Document.regform.u_zipcode.focus ();
return false;
}
if (document.regform.u_zipcode.value.length!=6) {
Alert ("Hint: Zip length not correct!") ");
Document.regform.u_zipcode.focus ();
return false;
}
bstring = "0123456789";
for (i = 0;
) { If (Long. tryparse (ID, out n) = false | n
{} If (address. indexof (ID. remove (2) =-1)
{} datetime time = new datetime ();
If (datetime. tryparse (birth, out time) = false)
{}}
# Whether region is int type /** // // whether it is int type //
// //
Public static bool isint (string source) { If (RegEx. match (source ). success) {{}}}
# region: Check whether the length of a string contains two Chinese characters in a limit. /** /// // check the strin
Verification of mobile phone numbers (starting with 13 and starting with 158,159, 11 digits in total)Copy codeThe Code is as follows:Var re;Var ss = document. getElementById ('textbox3 '). value;Re =/^ (13 [0-9] {9}) | (15 [89] [0-9] {8}) $/If (re. test (ss )){Document. getElementById ('label3'). innerText = ""; // assign a value to the label using innerText}Else{Document. getElementById ('label3'). innerTe
# Is region a Chinese phone number in the format of 010-85849685?/** // /// Is it a Chinese phone number, in the format of 010-85849685/// /// /// Public static bool IsTel (string source){Return Regex. IsMatch (source, @ "^ d {3, 4 }-? D {6, 8} $ ", RegexOptions. IgnoreCase );}# Endregion
# Region zip code 6 digits/** // /// Zip
// Check whether it is composed of digitsCopy codeThe Code is as follows:Function isDigit (s){Var patrn =/^ [0-9] {1, 20} $ /;If (! Patrn.exe c (s) return falseReturn true} // Check Logon Name: You can enter only 5-20 strings starting with a letter, which can contain numbers, "_", and ".".Copy codeThe Code is as follows:Function isRegisterUserName (s){Var patrn =
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