Business
Jobs
  • About Us
  • Solutions
    • Job Postings
      Post your job and receive qualified candidates in 48h.
    • Candidate Assessments
      500+ technical and psychological tests, plus anti-fraud.
    • Headhunting
      Tailor-made executive search from start to finish.
    • Payroll + EOR
      Payroll dispersal and EOR across 15+ LATAM countries.
  • Pricing
  • Jobs

0

273
Views
Regex String.split(/\s*/) gives different results in JavaScript and C#

I have a Regex in JS which does not produce same results in C#:

//javascript
var password = "pass";
var arrPws = password.split(/\s*/);

gives me a String[] result like the following


But when I try to reproduce it in C# I get a slightly different output:
//c#
using System.Text.RegularExpressions;

var password = "pass";
var arrPwd = Regex.Split(password,@"\s*");

the C# code adds an extra "" in the beginning and end like following
How do I eliminate the extra "" in C#?

over 4 years ago · Santiago Trujillo
1 answers
Answer question

0

For a quick fix to the .NET code, you may split on (?<=.)\s*(?=.):

using System.Text.RegularExpressions;

var password = "pass";
var arrPwd = Regex.Split(password,@"(?<=.)\s*(?=.)");
foreach(var item in arrPwd)
{
    Console.WriteLine(item.ToString());
}

This prints:

p
a
s
s

The issue you are seeing has to do with the behavior of \s*. On .NET's regex engine, \s* matches the zero width markers at the very start and end of the input, but not in JavaScript's engine.

If you just want an array of all characters in the string, use string#ToCharArray().

over 4 years ago · Santiago Trujillo Report
Answer question
Find remote jobs

Discover the new way to find a job!

Top jobs
Top job categories
Business
Post vacancy Pricing Sales
Legal
Terms and conditions Privacy policy
© 2026 PeakU Inc. All Rights Reserved.
Andres GPT
Show me some job opportunities
There's an error!