The backslash character (\) is the escaping character. header in axios. You don't need to escape forward slashes either in Java as a language or in regular expressions. So it's a special character . You see, "\\/" (as I'm sure you know) means the replacement string is \/, and (as you probably don't know) the replacement string \/ actually just inserts /, because Java is weird, and gives \ a special meaning in the replacement string. Delimiters have an impact on escaping: if the delimiter is / and the regex needs to look for / literals, then the forward slash must be escaped before it can be a literal ( \/ ). It returns an array of information or null on a mismatch. It returns an array of information or null on a mismatch. Many languages allow regex to be enclosed or delimited between a couple of specific characters, usually the forward slash /. If for example the dd300 is always follwed by two slash separated numbers it can be. JavaScript escape backslash | Example code - EyeHunts 1. replace backward slash in javascript . Replace using regular expressions: The Javascript string replace() function accepts either a string parameter or a regular expression. forward slash and backward slash — oracle-tech Although they both appear to be working, I'd rather use the 'correct' version because of behaviour in different environments, and, well.. because correct and all :) Answer (1 of 6): One problem lies in the string. regex replace forward slash python - diaconat.ecdqorg.info Menu. AndreasBijl.com | PowerShell - SharePoint - RegEx - .NET - JavaScript replace backslash with forward slash in javascript replace backward slash in javascript Code Example Regex escape forward-slash JavaScript | HTML example code /.*/. Escaping, special characters - JavaScript (dd300\/.+?,) The parentheses are only necessary when you need to access the matched string. . r"regex" However in most cases forward slash at start and end are used and this pattern is followed here. How to escape slash in URL parameter - Javaer101 If forward slash is the only thing you 39 re concerned about Eagle 39 s suggestion of using a different delimiter is the simplest solution . for rent by owner north fort myers; teeccino herbal coffee; what do weevils look like in flour; matlab linear regression fit; man wins $10 million lottery twice Split the string on forward slash - devasking.com This breaks up as follows replace every backslash with slash. Regex.Escape(String) Method (System.Text.RegularExpressions) encodeURIComponent (encodeURIComponent (current_plink)). how to add forward slash in javascript string Code Example Example: Regular Expressions Tutorial - Escaping - SO Documentation