how to protect phone number

Here is the regular expression that the mobile official pulled down:Determine if a string is a mobile phone number0 is the cell phone number 1 is not the 11 digit number 2nd code prefix is incorrectUsed to verify the number of digits in the mobile

implementation function: read the file, put the phone number in a set return. Method Introduction: Find (): attempts to locate the next subsequence of the input sequence that matches the pattern. Group (): returns the input subsequence matched by the previous matching operation. 1. Get the phone number from a strin

Using PHP in three simple ways to achieve the mobile phone number of the middle four (n-bit) with an asterisk display: $mobile = ' 13912345678 ';1. String interception method$newMobile 1 = substr ($mobile, 0, 5). ' '. substr ($mobile, 9);echo $newMobile 1. ' 2. Substring of replacement string$newMobile 2 = substr_replace ($mobile, ' * * * *, 5, 4);echo $newMobile 2. ' 3. Use regular$newMobile 3 = preg_

This mobile phone number attribution query code is a php open-source mobile phone attribution query system, the system does not rely on mysql and other large databases, but rely on text, because, generally, a mobile phone number, the first seven digits play a decisive role i

The company's micro-letter public number, each time in mass information, need a mobile phone scan two-dimensional code, recently due to staff turnover, need to change the new mobile phone number to bind, if changed? Answer: Click on the left side of the security assistant Under the public Security assistant, y

I recently started to learn about Android, mainly focusing on the secrets of Android Application Development. In chapter 3rd, example_03_02 is an example of reading the name and phone number of contacts in the address book. However, due to API 2.0, each contact can have multiple phone numbers (such as mobile phones, residential buildings, companies, and faxes). T

Phone number Regular expression (support mobile phone number, 3-4-digit area code, 7-8-digit live number, 1-4 non-transposition machine number) The code is as follows Copy Code ((d{11}) |^ ((d{7,8}) |

If you want to do a cell phone number verification, then we need to know the number of mobile phone number section.//Mobile number Attribution support Segment: 134 135 136 137 138 139 147 151 152 157 158 159 178 183 184 187 188 C

This three verification phone number of JS code, can only sit machine, can not verify the mobile phone number, of course, the site provides a large number of mobile phone number verific

Preface: Use background: In the project use process, the customer needs the project to connect the mobile, the Unicom, the telecommunication three big carrier short message transmission function, but for the non-local (here for Shanghai) mobile number, because the authority cannot send, therefore requests in the system page to the handset number attribution place to mark. Use process: There are probably

This article will introduce in detail some rules and simple examples of Regular Expressions for mobile phone numbers. For more information about regular expressions for mobile phone numbers, see. Regular Expression of phone number (mobile phone

PHP mobile phone number retrieval code (API mysql ). This article introduces the implementation of mobile phone number attribution. we can use the api interface and mysql + php to check if you need it. First, we will introduce how to use our database to check the article to introduce the implementation of mobile

This article mainly introduces the Regular Expression of mobile phone numbers verified by js. If you need a friend, please refer to it. I hope to help you with the following regular expressions for mobile phone numbers verified by js. I have collected them from the Internet, but they are all excellent products, professional verification of mobile phone numbers an

if (Isset ($_get["action")) {if ("Search" ==$_get["action"]) {Require (' function.php ');$phone = (Isset ($_post["Phone"])? $_post["Phone"]:d ie ("please return");echo "The cell phone number you queried }}?> function.php file Session_Start ();function Update ($num, $info)

This article introduces the use of jquery to verify the mailbox, verify the mobile phone number, the specific implementation of ideas and code as follows, interested friends can learn to copy code code as follows: //jquery Verify mailbox Function Checksubmitemail () { if ($ ("#email"). val () = "") {//$ ("#confirmMsg"). HTML (" Alert ("Mailbox cannot be empty!") $ ("#email"). focus (); return false;

#-*-Coding:utf8-*-‘‘‘__author__ = ' [email protected] '17:letter combinations of a Phone numberhttps://oj.leetcode.com/problems/letter-combinations-of-a-phone-number/Given a digit string, return all possible letter combinations, the number could represent.A mapping of Digit to letters (just as on the telephone buttons)

Copy Code code as follows: jquery Verification Mailbox function Checksubmitemail () { if ($ ("#email"). val () = "") { $ ("#confirmMsg"). HTML ("Alert ("Mailbox cannot be empty!") $ ("#email"). focus (); return false; } if (!$ ("#email"). Val (). Match (/^\w+ (-\w+) | ( \.\w+)) *\@[a-za-z0-9]+ (\.| -) [a-za-z0-9]+) *\. [a-za-z0-9]+$/)) { Alert ("Incorrect mailbox format"); $ ("#confirmMsg"). HTML ("$ ("#email"). focus (); return false; } return true; } jquery Verification C

The first one: Copy Code code as follows: function Checkreg () { Verify the phone number of the phone number, including section 153,159 if (document.form.phone.value== "" document.form.usermobile.value== "") { Alert ("Phone

The user did not write the local number into the SIM card. Once you write your local phone number into your SIM card, you can use at + cnum to find the number of your mobile phone number. Action command returns the msisdns relate

1: In the mobile phone we upgrade Alipay 9.9, and then click "My" in the access screen, open personal information, as shown in the following figure. 2: Then find the admin option in the interface after entering, as shown in the following figure. 3: Find the "privacy" option in the upper-right corner here, and click on it to open the entry. 4: In the red box can switch customs clearance mailbox, mobile