javascript regex for comma separated numbers

I put a fiddle so you can see. @ThomasVanderStichele: It's for alternation. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why are enriched (co)ends defined like that? Nice script, but it does not work with negative numbers. Which is it? Comma Separated Numbers Regex Ask Question Asked 10 years, 1 month ago Modified 3 years, 3 months ago Viewed 113k times 57 I am trying to validate a comma separated list for numbers 1-8. i.e. toString ().match (/^ ( ( [0-9] (,)? Does the "survivorship bias" airplane diagram come from World War II research on returning war planes? Find centralized, trusted content and collaborate around the technologies you use most. It would be nice if it works with floats also, but that is not necessary. is to return the data according to final user's clock. (in most situations) would be a far better choice. Just for future Googlers (or not necessarily 'Googlers'): All of solutions mentioned above are wonderful, however, RegExp might be awfully bad thing to use in a situation like that. Here's a simple reusable function that returns a string with the specified number of decimal places and lets you toggle the inclusion of a comma. Would the use of sulfuric acid "piranha" weapons be considered chemical weapons, and thus, War Crimes? However, if you're dealing with money, and just "don't want the leading dollar sign", Number(1000.50).toLocaleString() produces '1,000.5', which removes the insignificant zero that's typically kept when displaying money values. Thanks for contributing an answer to Stack Overflow! How? Connect and share knowledge within a single location that is structured and easy to search. 123456789.123456789.toString().replace(/(\d)(?=(\d{3})+\. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. a combination of any of the above ex Making statements based on opinion; back them up with references or personal experience. It Adds , After Decimal point : 12.3456".replace(/\B(?=(\d{3})+\b)/g, ",") == 12.3,456. See my solution below. The left side is then turned into an array of digits which is reversed. Assertions include boundaries, which indicate the beginnings and endings of lines and words, and other patterns indicating in some way that a match is possible (including look-ahead, look-behind, and conditional expressions). Just for the answer to your question be somewhat explicit here; if it accepts 1234 as valid it will accept abcd as well, as there are 0 matches which is what you asked for with *, it will break if I will try to check against the values 1234, 1345 , 4455, @WiktorStribiew in an even more general case, you could use. I think it's unsolvable, How much data transferred per user via SSH over time period, Use uniq to filter adjacent lines in pipeline. Why not "dish" the frame instead? I end up using this one is case anyone needed: Or, to support lower- and uppercase words: In case one need to allow whitespace between words: but replace '|' for the one you need. The next match group will contain the rest of the list. The \B keeps the regex from putting a comma at the beginning of the string. Recently, there have been various similar questions, and there was no such a restriction. Select comma separated values between parentheses. Any of these being wrong would simplify the solution. Connect and share knowledge within a single location that is structured and easy to search. only works if you pass it a string.. an easy fix but just wanted to note it. Temporary policy: Generative AI (e.g., ChatGPT) is banned, Regex for comma separated numbers within specific range, Regex validation for numbers with comma separator, JavaScript validation: regex to validate numbers with comma, Regex for validation numbers with commas and space, Allow comma after at least one number using regex, Regex to validate a comma separated list of unique numbers. . For eg: alright, this needed another edit :) I agree, but now at least it should work for the most cases. I Wrote this one before stumbling on this post. However, when entered as 9,999, the result is NaN. Can we develop a talent to draw engineering drawings in Auto CAD without having the knowledge of making engineering drawings on paper. Temporary policy: Generative AI (e.g., ChatGPT) is banned, Regex validation for numbers with comma separator, RegEx for JavaScript validation of comma separated numbers, Regex for validation numbers with commas and space, Regular expression with comma and numbers, Removing spaces between numbers separated by comma, Regex for numbers, commas and whitespaces. Using JavaScript, I need to accept only numbers and commas. Pair programing? or 9,9,9,9 or 9,9.99.9.These regexes won't require numbers to be in the proper format, and at worst, will treat punctuation as numbers. JS Regex to match number with only one comma. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The replacement expression puts a comma there. Perhaps forcing the decimal point would be the solution. Finally an answer with native function. Temporary policy: Generative AI (e.g., ChatGPT) is banned, Javascript Thousand Separator / string format, Convert a JavaScript number to a currency format, but without "$" or any currency symbol, javascript - Add thousand seperator and retain decimal place, How to format clean numbers so 1000 appear as 1.000,00, Javascript regex: make different spaces depending on lenght: 1 000, 10 000, 100 000, I want to change this format, '$1,000,000', to '1000000', JavaScript Math Function: How to Format Answer w/ Comma in Thousandths Place, formatting integer into string numbers in jQuery, how can i add a comma to a number in it's 1000 to this counter script. Found this one in my dad's bathroom. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Why does `chrome://flags` return google.com? How would I go about doing this? Also, I think it helps to keep the code cleaner & shorter. Making statements based on opinion; back them up with references or personal experience. Depending on the language, you may be better off using a built-in CSV parser. I need to be able to use comic numbers. Thanks to everyone for their replies. Would the use of sulfuric acid "piranha" weapons be considered chemical weapons, and thus, War Crimes? Images of smooth schemes under lci morphisms, Proving a polynomial to be positive for all real values. Connect and share knowledge within a single location that is structured and easy to search. Prove or disprove that two regular languages are equivalent. I need this: 1234,234,4096 (no repeating commas, no spaces, no commas at the end) right now my regex is allowing this also: 1234,,234,4096, this is my regex: 0. )$/g .in this I am able to enter digit,digit. '+ num.split( '.' & that we have a tool to display those things in the format preferred by the final user, isn't that rare and almost irresponsible not to use that tool (especially in situations when we want to display this data to the user)? Modified 7 years, 11 months ago. Not the answer you're looking for? This regex can be used to split the values of a comma delimitted list. an exampel call would have been great! Starting the plot at the origin, showing missing ticks, and pushing arrow head a little further, Whats the tense of this sentence: Nous sommes alls faire une promenade, How to do simple c++ concept has_eq - that works with std::pair (is std::pair operator== broken for C++20). Comma-separated numbers is a String not a Number in Javascript. It is validating correct only, but one problem when the user enters values like this: When the user enters a comma (,) at the end, it should throw an error. To learn more, see our tips on writing great answers. Challenge: As a programmer, I face the dilemma of being asked by my boss to provide market direction without specific guidance. Would it be possible to have such regexp? Can we develop a talent to draw engineering drawings in Auto CAD without having the knowledge of making engineering drawings on paper. if there is one. Making statements based on opinion; back them up with references or personal experience. And you might optimize it far better, "DRYify" code & so on. If you want something different, Numeral.js might be interesting. Why does `chrome://flags` return google.com? What are the multiclassing rules for Ultramodern 5 Redux? @bmacnaughton : That's a good point when you're not dealing with money. Why not "dish" the frame instead? If the verbal component of a spell isn't visible, can it be Counterspelled? But it will put commas for the decimal part too. Looking for English Animated late 90s/early 2000 mini-series similar to Xyber9. )*)+$/) I have written a small regex for javascript. Is my variable a discrete random variable, ordinal, or categorical? Why wasn't Aragorn more stealthy at Weathertop? How is circuit "a" simplified to circuit "b"? What are the pros and cons of the practice that includes some questions in a math exam which are directly discussed in the lectures? By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. a negative assertion to make sure that point only has exactly a multiple of 3 digits. Regex to validate comma-separated numbers with optional fractional parts, Regex validation for numbers with comma separator, Decimal number regular expression, where digit after decimal is optional, Javascript function need allow numbers, dot and comma. I confirmed that it is working in principle with a smaller example (that uses only the . Keep in mind that not all users' machines have a locale that uses commas in numbers. Prove or disprove that two regular languages are equivalent, How to teach pure mathematics to a well-educated adult who did badly in maths at school. I think this function will take care of all the issues related to this problem. Groups and backreferences To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Prevent inline "waterproof" fuses from corroding, BB drop vs BB height from stability perspective. If you just give it a value it works, but if you're feeding a value constantly dynamically the commas are added in the wrong place. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Below are two different browser APIs that can transform Numbers into structured Strings. If your client going to use Persian/Arabic numbers for input as what is usual in Iran, I think the best way is instead of keeping the original characters, convert them to English before you deal with, to you can calculate it. Ask Question Asked 3 years, 4 months ago. Not the answer you're looking for? 581), Statement from SO: June 5, 2023 Moderator Action, Stack Exchange Network Outage June 15, 2023. Thanks! Rear wheels are dished. The regex looks slightly different but it looks like it should do the same thing. When i remove {0,20} from regex then i am not able to enter comma(,). What are the pros and cons of the practice that includes some questions in a math exam which are directly discussed in the lectures? I tried 12.34 as the number and it returned. Native JS function. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. So you can't count a String with Number, there is why you got a NaN. I'd remove the . ^[\d,\s]+$ This requires repeating the pattern (two times, ah yes the all too underappreciated negative lookahead. It's implemented in JavaScript 1.5 (which was introduced in 1999) so it's basically supported across all major browsers. Could a species with multiple types of genetic material, like a universal donor, reasonably naturally exist? It's also not my code (nor my tests), I referenced the site that it comes from, which is a well-known site. It also works in Node.js as of v0.12 via inclusion of Intl. I'm assuming: all numbers, any length, numbers cannot have leading zeros nor contain commas or decimal points. Ask Question Asked 6 days ago. How to ramp up a factory consuming a lot of energy? I know it wasn't explicitly mentioned, but I'm assuming things like. You can either use this procedure to format your currency needing. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, toLocaleString is inconsistent and should not be used. {3} is a limiting quantifier matching exactly 3 occurrences of the preceding subpattern. Then a thousands separator is added every three digits from the start and the result reversed again. I tried [0-8,]* but it seems to accept 1234 as valid. Updated for you. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. You may use the expressions that use toLocaleString as a way to find out the right characters for the decimal point and the thousands separator for the current locale (bear in mind that those require a more modern Javascript.). Viewed 1k times My priority of sorting; Read more: https://www.w3schools.com/jsref/jsref_tolocalestring_number.asp, Read more: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/NumberFormat/NumberFormat. rev2023.6.16.43501. Works well for currency though! So, considering that there're some particular standards for representation of date, time, numbers, etc. If this is a problem, you can use this function: @t.j.crowder pointed out that now that JavaScript has lookbehind (support info), it can be solved in the regular expression itself: (?

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