![]() We recommend using the Twilio Lookup API for comprehensive phone number validation. However, this will also match numbers that are not a valid phone number. You can also exclude 0 as the first character since there are no country codes that start with 0. Validating previously collected phone numbers in a databaseĪccording to the official ITU E.164 recommendation the format must be a number up to fifteen digits in length starting with a ‘+’.Ensuring deliverability when sending a Twilio SMS or voice call.Preventing fraud when capturing a user’s phone number in a form.Reasons to programmatically verify that a string is in a valid E.164 phone number include: ![]() You can also find international telephone input and validation in the Twilio Code Exchange. How to Validate a Phone NumberĪ simple and robust way to validate phone numbers is to use the Twilio Lookup API to perform phone number validation and formatting without the need for RegEx. Contingent staffing recruitment ,operations, VMS, vendor and stakeholders mangment for PAN India, 6 units, working on SAP fieldglass. Learn more about how to build international phone number input in HTML and JavaScript on the Twilio blog, including how to transform the phone number input into E.164 format. (On-site) RPO (msp model) VMS tool -SAP fieldglass, ticking tool Pega, HRM - SAP Sucess factor.
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