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function to add a string at a specified match in a string using regular expressionsfunction to add a string at a specified match in a string using regular expressions
this function helps you to add a specified piece of string exactly after a match
private string CreateBreaks(string str , int count , string replacestring)
{
string dummy;
string pattern = "(.*?),";
int i = 0;
StringBuilder sb = new StringBuilder();
string[] txt;
bool flag = false;
foreach (Match m in Regex.Matches(str, pattern))
{
i++;
dummy = m.ToString();
if(i == 3)
{
dummy = dummy.Replace(",",replacestring);
i=0;
flag = true;
}
sb.Append(dummy);
}
if(flag)
{
txt = str.Replace("
","").Split(',');
str = txt[txt.Length-1];
sb.Append(str);
}
return sb.ToString();
} |
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