What is a phone pattern regular expression example? Phone pattern regular expression. This consists of designators and variables that represent specific sets of numbers. For example, the phone pattern regular expression of ^9 (d {7})$ describes phone numbers that consist of the number 9 followed by any seven digits. Translation pattern regular expression.Is there a regular expression for phone numbers in javascript? Regular Expression (Regex) for Phone Numbers – International and U.S. Formats I have been looking all over the web for a regular expression to use in JavaScript functions to help with formatting phone number links and printing phone numbers on pages for iPhones, Android, and other mobile devices.How to validate a phone number using regex in java? The phone number can be validated using the java.util.regex.Pattern.matches () method. This method matches the regular expression for the phone number and the given input phone number and returns true if they match and false otherwise.What is the regex pattern for 789? [ 789] this regex pattern ensures that the HTML input number starts with either 7 8 9. Then, [0-9] {9} this ensure rest of the values is number and it’s up to nine-digit.