Javascript split regex keep delimiter, The global flag ensures that the RegExp
Javascript split regex keep delimiter, The split() method returns the new array. By default, split () can take a simple string delimiter, but its real power comes from using regex as the delimiter. This blog will guide you through two powerful regex-based methods to achieve this: **capturing groups** and **lookbehind assertions**. split(pattern, string) function from Python’s re module splits a string using a regular expression pattern. . The split() method does not change the original string. g. Jun 27, 2012 · Using JavaScript I'm trying to split a paragraph into it's sentences using regular expressions. Nov 23, 2020 · Since we do not directly match the characters we wanted to split by, . While it is often used with simple delimiters like spaces or commas, you can use Regular Expressions (RegEx) for more advanced and flexible string splitting. To split a string using a regular expression while keeping the separator, you can use the split () method along with capturing groups in the regular expression. Dec 24, 2025 · In such cases, regular expressions (regex) can be leveraged to split strings while retaining separators. Nov 28, 2017 · Splitting a string using a JavaScript regex but keeping the delimiter? Asked 8 years, 1 month ago Modified 7 years, 9 months ago Viewed 4k times Jan 9, 2022 · Splitting strings and keeping the separator in JavaScript When splitting strings, the majority of the time, I don't care about the separator (or delimiter), just the strings that exist between it. This guide will teach you how to use a regular expression with the split() method, how to handle multiple delimiters, and how to clean up the resulting array by removing any empty strings. Feb 5, 2026 · The re. Here's how you can do it: Description The split() method splits a string into an array of substrings. Aug 17, 2012 · If separator is a regular expression with capturing parentheses, then each time separator matches, the results (including any undefined results) of the capturing parentheses are spliced into the output array. split() does not consume the characters and we see them in our resulting array. Aug 5, 2025 · The String. Everyything works fine except that I would like to keep a part of the delimiter. If (" ") is used as separator, the string is split between words. I have a regex which will split my string into arrays. , splitting on multiple newlines, or combining newline splits with other delimiters). My regular expression doesn't account for a sentence being inside brackets and I would like to keep the delimiter. The global flag ensures that the RegExp Sep 4, 2024 · The split () method in JavaScript is used to divide a string into an array of substrings based on a specified delimiter. Here is my regex: Mar 16, 2009 · I wonder if there's a way to avoid removing the separators when splitting a string with a regular expression: this example removes the separators, but I hope it's possible to split a string without removing them. split () method in JavaScript is used to divide a string into an array of substrings. It’s useful for complex splitting scenarios (e.
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