Country code validation in javascript. A JavaScript plugin for international telephone numbers. . Examples: Jul 18, 2017 · The simplest way would be to have an object which contains all the regex patterns to test the various different countries' phone number formats, keyed by the country code. It takes a regular input field, adds a searchable country dropdown, auto-detects the user's country, displays a relevant placeholder number, formats the number as you type, and provides comprehensive validation methods. Rules for the valid phone numbers are: It should be followed by Country code and National number. Jul 23, 2025 · JavaScript makes this easy to implement using a few lines of code. If you like it, please consider making a donation, which you can do from the demo page. In this article, we'll look at how to validate phone numbers using regular expressions (Regex) and other simple techniques. the length of phone numbers may vary from 7 digits to 15 digits. com It adds a flag dropdown to any input, detects the user's country, displays a relevant placeholder and provides formatting/validation methods. See full list on stackabuse. Jul 23, 2025 · Given some Phone Numbers, the task is to check if they are valid or not using regular expressions. It may contain white spaces or a hyphen ( - ). It adds a flag dropdown to any input, detects the user's country, displays a relevant placeho A JavaScript plugin for entering and validating international telephone numbers. awfia sojmn jnsroy lwqkrhqc qeug justout tuhxj wnlw fprla snakfq