Mega Code Archive
0661 Replacing and Splitting Text
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The RegEx.Replace method works like string.Replace, except that it uses a regular expression.
using System;
using System.Text.RegularExpressions;
class Program
{
static void Main(string[] args)
{
string find = @"\bis\b";
string replace = "are";
Console.WriteLine (Regex.Replace ("This is a test", find, replace));
}
}
The output:
This are a test
The replacement string can reference the original match with the $0 substitution construct.
The following example wraps numbers within a string in angle brackets:
using System;
using System.Text.RegularExpressions;
class Program
{
static void Main(string[] args)
{
string text = "10, 20, 30 and 40";
Console.WriteLine (Regex.Replace (text, @"\d+", @"<$0>"));
}
}
The output:
<10>, <20>, <30> and <40>
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