Regular expression for numbers spaces and dashes. Escape the hyphen

Regular expression for numbers spaces and dashes. Escape the hyphen using \-as it usually used for character range inside character set. I want to: replace multiple spaces with one space; replace a dash (hyphen) with a space I am trying to do a regular expression to validate a number between 9 and 13 numbers, but the sequence can have dashes and spaces and the ideal is to not have more than one space or dash consecutively. exec instead. . ]+$ which does not validate dash at the beginning or end. exec . I think it also makes adding additional characters easier. [0-9] will match any digits between 0 and 9. Sep 28, 2020 · If the regular expression does not include the g flag, str. Visa and Trying to check input against a regular expression. Dec 20, 2012 · I wouldn't consider a string with 0 occurrences of numeric values/spaces a string consisting of numeric values/spaces. g. /^(?=. We told it to look for a letter and it found one. [-abc] matches a, b Nov 25, 2014 · I'm trying to match number with regular expression like: So how can I allow only one hyphen between the number? regex; Regex For Numbers, Letters, Spaces and Compared that to the * that would match an indefinite number of dashes or space between each digit. Is there a regular expression for number and Dash? US Phone Number Verification. To negate the space and hyphen at the beginning and end I have used [^\s\-]. On to your notes: The reason it captures words after number is because regex has no idea what a word is. Only if it’s in a character class and between two other characters does it take a special meaning. '; return $err } In this example, what is $pattern ? My best guess was $pattern = '/[^a-zA Dec 30, 2020 · Other special characters, e. This is really the only way. xxx-xxx-xxxx- -xxx-xxx-xxxx It should accept digits, hyphens, space and parentheses. If you only want the first match found, you might want to use RegExp. – Jan 6, 2012 · I have the following in my c# code - what I like it to do is to check to see if the expression has numbers or a dash but nothing else. $ you need to escape with backslash: \$ The dash - is a meta character if not in the beginning or at the end of a character class, e. You can escape the hyphen inside a character class, but you don’t need to. If you only want to match 0, dash or 9, you need to escape the dash: [0\-9] Nov 1, 2010 · The hyphen is usually a normal character in regular expressions. However, the code below allows spaces. "The following regex matches alphanumeric characters and underscore" doesn't limit it to Latin letters. I want a string to be only letters, numbers, dash, underscore, or space. )? And disallow when a string contains otherwise (like alphabets or other special characters not 4 days ago · When searching a hard disk full of files, you can’t strip out spaces and dashes first like you can when validating a single card number. How to repair my C# regex that attempts to match 1-100 characters of letters, numbers, spaces, underscores and dashes Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. Learn how to create a regular expression that matches a string with text, numbers, dashes, and spaces only. [-] matches a hyphen. Sep 17, 2014 · I can do this with two separate regex passes, but this is already slow and doing two doesn't help, so I want to be able to do it in one pass. "^[a-zA-Z0-9_]+$" fails. Currently I use ^\[0-9 \-\. Match(input, @"[0-9-]"); Jan 21, 2016 · As per your requirement of including space, hyphen, underscore and alphanumeric characters you can use \w shorthand character set for [a-zA-Z0-9_]. The field should only allow alphanumeric characters, dashes and underscores and should NOT allow spaces. If you need to know if a string matches a regular expression RegExp, use RegExp. this rule allow me to control the validation between 9 and 13 /^[\d]{9,13}$/ now to add dashes and spaces /^[\d -]{9,13}$/ Oct 17, 2022 · "I would like to have a regular expression that checks if a string contains only upper and lowercase letters, numbers, and underscores" doesn't limit it to Latin letters. – Michael Commented Dec 20, 2012 at 13:35 Oct 18, 2015 · What should be the Regex to allow a string that contains only numbers (0-9) or dashes (-) or dots (. How do I say just have the express be numbers or a dash: Match match = Regex. If I type in the letter K along with a dash or number it still accepts it. I need to validate US phone number. if ( !preg_match( $pattern, $str ) ){ $err = 'Only letters, numbers, space, underscore and dash are allowed. *[ 0 - 9 ])[- +() 0 - 9 Dec 23, 2013 · Regex always kills me. To find card numbers with spaces or dashes in them, use \b (?: \d [ -] *?) {13,16} \b. match will return the same result as RegExp. [abc-] matches a, b, c or a hyphen. It could be in the format: xxx-xxx-xxxx (xxx) xxx xxxx (xxx)-xxx-xxxx xxxxxxxxxx but it should not be. test (). Tried with 1. Nov 15, 2022 · I am checking with regex to validate Numbers, space, plus sign, hypen, brackets but nothing worked out. Thus:-matches a hyphen. NET, Rust. This regex allows any amount of spaces and dashes anywhere in the number. fcikw jcdrqvzn kwqwizlom rrbmw wsksd xkztjnem kean iwllkm jqbokj zsxe