preg_match for numbers in php

This does not match 10 digit numbers, and it allows, @Awlad Liton Hmm got error on. Tagged with php, programming, beginners, tutorial. Are Tucker's Kobolds scarier under 5e rules than in previous editions? To learn more, see our tips on writing great answers. Is this color scheme another standard for RJ45 cable? Future society where tipping is mandatory, Explaining Ohm's Law and Conductivity's constance at particle level. What's it called when multiple concepts are combined into a single problem? To learn more, see our tips on writing great answers. "any text CA-2019-6-000000 any text" "any text KA 2019-2-929029" // note: no "-" between the "KA and 2019" "KA-2019-11-929029". This one would match a string that only consists of letters and any kind of whitespace/invisible separators: You are on the right track with the first one, just missing a + to match one or more non-number characters: As you can see, 0-9 is a range, from number 0 to 9. The Overflow #186: Do large language models know what theyre talking about? // Validation for You can use this code for number validation: if (!preg_match("/^[0-9]+$/i", $phone)) { The following code snippet will check if the mobile number digits are within 10-15 digits including '+' at the start and followed by a non-zero first digit. Making statements based on opinion; back them up with references or personal experience. I'm trying to prove the whole string to make sure it isn't a bogus string ie to make sure there the 1st set is only lower case letters, and the 2nd set is only 11 numbers. rev2023.7.14.43533. Asking for help, clarification, or responding to other answers. PHP regex: How to whitelist alphanumeric characters? preg_match preg_match ('/^ ( [^0-9]+)$/', $str); As you can see, 0-9 is a range, from number 0 to 9. Webpreg_match () returns 1 if the pattern matches given subject, 0 if it does not, or false on failure. 1 Step by Step guide to validate user name with PHP preg_match 2 PHP preg_match to validate US and Ethiopian Phone Numbers. Thank you Spudley, that is a very clear explanation - definitely have a better understanding of their differences. 2. The formulation should allow special characters , $, and all letters of the alphabet to be input with the offer value. preg_match('/^[0-9-\s]+$/D', $_POST['phone']); // for any kind of white spaces Note the quantifier + to repeat the flags Can be a Adding salt pellets direct to home water tank. PHP preg_match() in mobile number Why was there a second saw blade in the first grail challenge? Pattern strings are treated as UTF-16. Does air in the atmosphere get friction due to the planet's rotation? Preg_match a string, must containing Letters and numbers php How to "preg_match" only numbers? - YeahEXP If you know it will be a comma-separated list then use explode(): Thanks for contributing an answer to Stack Overflow! WebPHP's preg_match returns 1 if the expression matched, 0 if it didn't, and false if an error occurred. I need to evaluate the input of the account name. is_numeric checks whether it is any sort of number, while your regex checks whether it is an integer, possibly with leading 0s. For an id, stored a I don't understand. How to make preg_match () in mobile number that only accepts: " + " , " 63 " , " +63 " , " 09 " at start , and a " - " than can be placed between the number? I want to fetch only the numbers (957119941) from this string using preg_match. 'not numeric' is NOT numeric To check id the string contains characters you can use this: preg_match ( '/ [a-zA-Z]/', $string ); To check if a string contains numbers you can use this. Conclusions from title-drafting and question-content assistance experiments preg_match: number-alphabets and commas only, PHP Regular Expression problem when trying to match numbers, PHP: preg_match -> Numbers and ONE hyphen, regular exp to accept only numbers with comma as the decimal seperator, PHP Regex Regular Expressions preg_match() only allow digits with commas, PHP preg_match an html arttribue with number seprated by a comma. I thought the code above would capture "21" and "53", but what it actually captures is "21" and "3". of optional sign, any number of digits, optional de W3Schools I'm trying to search for a number/character pattern inside of a string. You may also want to confine the length of your integer for considerations of 32/64-bit PHP platform features and/or database compatibility. optional exponential part. MSE of a regression obtianed from Least Squares. preg_match - can only consist of numbers, hyphens(-) and spaces, How terrifying is giving a conference talk? $a = '2015-2016'; if (!preg_match ('/ [^0-9\-]/i',$a)) { then return not valid data` } PHP preg_match preg_match can be slow, and you can have something like 0000 or 0051. 0. Does the Granville Sharp rule apply to Titus 2:13 when dealing with "the Blessed Hope? At the same time, the is_int function is too strict if you want to validate form data (strings only). (Ep. A better solution might be something like: Finds whether the given variable is numeric. Use [:alnum:], Why to use regex? Do symbolic integration of function including \[ScriptCapitalL]. @er.irfankhan11: the answer depends on things like how many decimal places you want to allow, etc. Proving that the ratio of the hypotenuse of an isosceles right triangle to the leg is irrational, Zerk caps for trailer bearings Installation, tools, and supplies. But why would you only allow one hyphen - and where do you allow it? rev2023.7.14.43533. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. What's the significance of a C function declaration in parentheses apparently forever calling itself? If I just want to validate that it was a whole number (4,8,15,16,23,42,108 etc), no leading zeros, no decimal points, no negatives, how would this be achieved? Webphp preg_match only numbers, letters and dot Ask Question Asked 8 years, 1 month ago Modified Viewed 20k times 5 I have been searching for 2 hours now and I still don't get it. PHP preg_match: any letter but no numbers (and symbols) 0. match possible letters with numbers. preg_match escape special characters in regex using php, Detecting a subset of special characters php, Using preg_match to detect special characters not working, preg_match_all for special characters [?]. I am trying to use preg_match to match numbers that start with a zero to indicate an invalid input. RegEx: number range excluding specific number. Updated demo: The number should cointain only 1 " + " and at the beginning. Probably one of the best explanations I ever seen in a forum. What is Catholic Church position regarding alcohol? Syntax: int preg_match ( $pattern, $input, $matches, $flags, $offset ) Parameters: This function accepts five parameters as mentioned above and described PHP - preg_match for only numbers and single dash, preg_match allow letters and numbers but at least 1 letter, PHP regex accepts only letters and numbers and only one dot, Sidereal time of rising and setting of the sun on the arctic circle. This was a good reminder to me to use [:alpha:] and not [a-zA-Z]. I don't understand why this question is closed for 'not a real question' ah well: preg_match( "/\d+/", "