Validate Phone Number Using Regex

Validate a simple phone number format using regular expressions.

IntermediateTopic: String Programs
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Python Validate Phone Number Using Regex Program

This program helps you to learn the fundamental structure and syntax of Python programming.

Try This Code
# Program to validate phone number using regex

import re

phone = input("Enter phone number: ")

pattern = r"^\+?\d{10,15}$"

if re.match(pattern, phone):
    print("Valid phone number")
else:
    print("Invalid phone number")
Output
Enter phone number: +911234567890
Valid phone number

Understanding Validate Phone Number Using Regex

We allow an optional + followed by 10 to 15 digits to represent an international-style phone number.

Note: To write and run Python programs, you need to set up the local environment on your computer. Refer to the complete article Setting up Python Development Environment. If you do not want to set up the local environment on your computer, you can also use online IDE to write and run your Python programs.

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