Regex Allow Hyphen. You could also supply a length range {2,3} instead of the one or
You could also supply a length range {2,3} instead of the one or more + matcher, if that were more . I am looking to eliminate dashes in the following text: Century Surety Company - Commercial Ocean Marine Declarations — Marine Liability I would like to remove both types I'm currently using this regex ^[A-Z0-9 _]*$ to accept letters, numbers, spaces and underscores. I'm trying to create a regex using javascript that will allow names like abc-def but will not allow abc- (hyphen is also the only nonalpha character allowed) The name has to be a The provided regex offers a straightforward pattern for matching strings that consist of alphanumeric characters, underscores, and an optional leading I have this Regex I modified to allow underscores, hyphen, letters and numbers. Trying to check input against a regular expression. Need to allow user to enter only Numbers or alphabets or spaces or hyphens OR combination of any of the above. In this lesson, we will study the features of the hyphen inside [ ] in JavaScript regular expressions. Exp: "^ [0-9]| [-]*$" Learn how to create a regular expression that matches hyphenated words with this helpful guide. and i tried the following String regex = "/^ [0-9A-Za-z\s\-]+$/"; Learn how to understand and use the regular expression ^[a-zA-Z]+-[0-9a-fA-F-]+$ to match alphanumeric strings followed by a hyphen and another alphanumeric string. I need to modify it to require at least one number or letter somewhere in the This page provides an overall cheat sheet of all the capabilities of RegExp syntax by aggregating the content of the articles in the RegExp guide. A hyphen word break is when a word is broken into 2 using a hyphen (-) to be continued in the next line. Learn how to create a regular expression that matches hyphenated words with this helpful guide. I've tested this on a couple of online regex testers, and hyphens seem to function as a normal character outside of square brackets (or even inside of square brackets if it's not in-between Hyphen is a special character in regex, for instance, to select a range, I could do something like: [0-9A-F] But outside of square brackets it's just a regular character right? I've tested this on a RegexHi Guys! I'm using the following regular expression to only allow numbers and hyphens, I just put a number like: 75648-a he allowed. Detailed examples, common mistakes, and debugging tips included. NET, Rust. The closest I've managed to get is: '\\w+-\\w+[-w+]*' text = "one-hundered-and-three- some text foo Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. You can also use the \w class to shorten it to /^[\w. If you need more information on a RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp). This is especially useful in scraping data when you wanna join hyphen seperated Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. I have verified that the expression /^[a-zA-Z0-9. \ Learn how to use regex to allow hyphens in your strings effectively. / + , “ But when I test the pattern with a string "test_for_extended_alphanumeric" , the string passes the test. The field should only allow alphanumeric characters, dashes and underscores and should NOT allow spaces. Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/. However, the code below This is typical, but if you wanted allow underscores, that could be addressed as well. I have some JavaScript code using a regex, to validate a name field in a form: var alphaExp = /^[a-zA-ZåäöÅÄÖ\\s]+$/; I want the regex to allow names that include a hyphen, such as Anna The allowed special characters are! @ # $ & ( ) - ‘ . I just want to restrict user from entering hyphen between numbers (123-123), but allowed if it only alphabets or alphanumeric (123-abc or abc I'm looking for a regex to match hyphenated words in Python. Includes examples and a breakdown of the regex. \-_]+$/ does allow hyphens. I am trying to modify it further so that it has the following properties: Allow only Numbers, Letters A hyphen word break is when a word is broken into 2 using a hyphen (-) to be continued in the next line This is especially useful in scraping data when you wanna join hyphen seperated words Hi Tim, Thanks for your time. Escaping the hyphen using \- is the correct way. This post delves into the nuances of hyphen usage in regex character classes, offering practical solutions and alternative approaches for robust pattern matching.