Regular expression for validating phone number, regular expression examples

It contains all current country codes and codes reserved for future use. There is no need to escape dot. This is a further optimisation.

Please format your answer use four spaces as indents for a code block. Regardless of the way the phone number is entered, the capture groups can be used to breakdown the phone number so you can process it in your code. Doing a quick sanity check on the number ensures that an obviously bogus call does not block a valuable channel.

This is a more comprehensive version that will match as much as I can think of as well as give you group matching for country, region, first, and last. Consider adding a sentence or two to explain your answer. Working on a solution first teaches more than simply Googling for it.

Is the correct format for matching a generic international phone number. It will help user to correct their format on input tag. There may be dashes, spaces, dots or no spaces between country code, area code and the rest of the number. Here's a fairly compact one I created. Did you use a tool to generate that explanation?

Regular expression for validating phone number
  • Would you like to answer one of these unanswered questions instead?
  • And too much validation can be a bad thing anyway.
  • This reg ex is suitable for international phone numbers and multiple formats of mobile cell numbers.
  • If so, I am not sure how do I do that.

Your Answer

Regular expression for validating phone number
Regular expression for validating phone number

Regular Expression examples

Regular expression for validating phone number

Although this post is an old but want to leave my contribuition. Parsing phone numbers is hard. This only ensures that the country code is valid. What with different structures in different countries and extensions, its a very difficult problem. This is the best way to go.

Just wanted to add a solution specifically for selecting non-local phone numbers and types. Here is a regex for the following most common phone number scenarios. Setup a private space for you and your coworkers to ask questions and share information.

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The last question mark is to make country code optional. As for this specific problem i would change the regex from. You should however be format hinting for user input anyway. This is what I was going to suggest.

Regular expression for validating phone number

Kondal I'm curious about the input you're using to make it fail. If you using on input tag than this code will help you. Thank you for your remark. Secondly, dating an your validation is incorrect. Would it actually match the backslash?

My opinion about regexes is that, if you are giving a regex to someone, always accompany it with an explanation, model online dating sites or the regex is worthless. Use a specialized library. Adding up an example using above mentioned solutions on jsfiddle.

Regular expression for validating Phone Numbers in .net

So this should be quite safe to relay on. So, your regex will pass the number even though that is not a valid phone number. Just because a problem has already been solved doesn't mean one should give up on the learning opportunity it presents.

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Combined with fezfox's improvements? Doesn't work for Cyprus numbers. Most importantly, this regex does not mean the number is valid - each country defines its own internal numbering plan.

What regular expression will match valid international phone numbers? My regular expression does not include grouping to extract the digit groups, but it can be modified to include those. Modified Eric's regular expression - added a list of all country codes got them from xxxdepy Github. This one comes pretty close to most international phone number formats.

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  1. You can use the library libphonenumber from Google.
  2. Google released an open source lib for this.
  3. While it could be shortened a bit, I decided to include each code independently.
  4. If you want to deepen in regex for a custom expression, you can review this documentation.

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Note that if you enter numbers in this format into your mobile phone address book, you may successfully call any number in your address book no matter where you travel. There are too many regex variants to validate a phone number. Perhaps the easiest one compare to several others. The phone call can go anywhere in the world.

Returns true if it matches and false if it fails Ref. Will your application be used by someone with a phone number from outside North America? For other countries, replace the international access code the at the beginning of the regex with whatever is appropriate for that country's dialing plan. While this code snippet may answer the question, it doesn't provide any context to explain how or why. Custom Filters release announcement.

Regular expression for validating phone number

Email Required, dating after but never shown. By far the best answer and most complete. Do you think that the question mark is not necessary in? This led me in the right direction.

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