Method

Match

Searches the string for the first occurrence of the specified regular expression.

• pattern: The regular expression pattern to match.

  s.Match("(?<=<title>)[\\d\\D].*?(?=</title>)")
  

Matches

Searches the string for the all occurrences of the specified regular expression.

• pattern: The regular expression pattern to match.

  s.Matches("(?<=<title>)[\\d\\D].*?(?=</title>)")
  

Match

Searches the string for the first occurrence of the specified regular expression.

• left: left string
• right: right string

  s.Match("<nav role=\"navigation\">", "</nav>")
  

Matches

Searches the string for the all occurrences of the specified regular expression.

• left: left string
• right: right string

  s.Matches("<nav role=\"navigation\">", "</nav>")
  

IsMatch

Indicates whether the specified regular expression finds a match in the string, using the specified matching options.

• pattern: The regular expression pattern to match.

  s.IsMatch("(?<=<title>)[\\d\\D].*?(?=</title>)")
  

RegReplace

In a string, replaces all strings that match a specified regular expression with a specified replacement string. Specified options modify the matching operation.

• pattern: The regular expression pattern to match.
• replacement: The replacement string.

  s.RegReplace("<title>[\\d\\D].*?</title>","This is a New Title")
  

RegReplace

In a string, replaces all strings that match a specified regular expression with a string returned by a System.Text.RegularExpressions.MatchEvaluator delegate. Specified options modify the matching operation.

• pattern: The regular expression pattern to match.
• evaluator: A custom method that examines each match and returns either the original matched string or a replacement string.

  s.RegReplace("(?<=<title>)[\\d\\D].*?(?=</title>)",
                match=> {
                    return match.Value+ " append suffix";
                })