Use regular expression to replace chars

 
using System;
using System.Text.RegularExpressions;

class RegexSubstitution
{
   public static void Main()
   {
      string testString1 = " stars *****";
      Regex testRegex1 = new Regex( @"\d" );

      Console.WriteLine( "Original string: " + testString1 );
      testString1 = Regex.Replace( testString1, @"\*", "^" );
      Console.WriteLine( "^ substituted for *: " + testString1 );
      
   }
}

Related examples in the same category

1.	Multiple different delimiters
2.	Single space split
3.	Multiple spaces, using \"[\\s]+\"
4.	Single spaces, using ()
5.	Single spaces, using new Regex("( )")
6.	Position and index
7.	Regex and letter case
8.	((an)\|(in)\|(on))
9.	Gr(a\|e)y
10.	Define groups 'ing', 'in', 'n'
11.	Leading space
12.	Proper case match
13.	Use \| to combine different case
14.	IP address
15.	Multiple spaces, using \" \"
16.	Use regular to replace strings
17.	Use regular to replace word
18.	Use regular expression to replace first 3 digits
19.	Use regular to split string
20.	Validate first name and last name
21.	Validate address
22.	Validate city name
23.	Validate ZIP code
24.	Validate Phone Number
25.	Use regular to verify a date
26.	HTML Parser
27.	Define a regular expression for repeated words
28.	Gets the group name that corresponds to the specified group number.
29.	Indicates whether the regular expression specified in the Regex constructor finds a match in the input string.
30.	Regex.IsMatch Method
31.	Regex.IsMatch Method (String, String, RegexOptions)
32.	Match Class represents the results from a single regular expression match.
33.	Get MatchCollection
34.	Is match successful
35.	Gets a collection of groups matched by the regular expression.
36.	Get CaptureCollection
37.	Returns a new Match object with the results for the next match, starting at the position at which the last match ended
38.	Returns the expansion of the specified replacement pattern.
39.	Represents the set of successful matches found by iteratively applying a regular expression pattern to the input string.
40.	Gets an individual member of the collection.

Use regular expression to replace chars : Regular Expression « Development Class « C# / C Sharp

Related examples in the same category