NameKeyRequiredTypeDescription SSN ssn True string Enter US Social Security Number to validate Returns 展开表 NamePathTypeDescription match_found match_found boolean True or False status_code status_code intege
Replace(String, String, Int32) 在指定的輸入字串中,以指定的取代字串取代符合正則表示式模式的指定最大字串數目。 Replace(String, MatchEvaluator) 在指定的輸入字串中,將符合指定正則表示式的所有字串取代為 MatchEvaluator 委派所傳回的字串。 Replace(String, String) 在指定的輸入字串中,以指定的取代...
; Regex rgx = new Regex(pattern); Match match = rgx.Match(input); if (match.Success) ShowMatches(rgx, match); } private static void ShowMatches(Regex r, Match m) { string[] names = r.GetGroupNames(); Console.WriteLine("Named Groups:"); foreach (var name in names) { ...
\bEnd the match at a word boundary. Remarks TheMatches(String, String, RegexOptions, TimeSpan)method is similar to theMatch(String, String, RegexOptions, TimeSpan)method, except that it returns information about all the matches found in the input string, instead of a single match. It is equi...
match. This behavior guarantees that the regular expression engine will progress through the string. Otherwise, because an empty match does not result in any forward movement, the next match would start in exactly the same place as the previous match, and it would match the same empty...
(\w+)Match one or more word characters. This is the first capturing group. \s+Match one or more white-space characters. (car)Match the literal string "car". This is the second capturing group. Remarks TheMatch(String)method returns the first substring that matches a regular expression patt...
a{3,} Between 3 and 6 of a a{3,6} Start of string ^ End of string $ A word boundary \b Non-word boundary \B Regular Expression No Match / insert your regular expression here / gm Test String insert your test string here 1:1...
: Match any 1 character or space // + : Match 1 or more of what proceeds // ? : Match 0 or 1 // * : Match 0 or More // *? : Lazy match the smallest match // \b : Word boundary // ^ : Beginning of String // $ : End of String // \n : Newline // \d : Any ...
; return Regex.Match(value, @"5\w+5").Length; } static Regex _wordRegex = new Regex(@"5\w+5", RegexOptions.Compiled); static int Version2() { string value = "This is a simple 5string5 for Regex."; return _wordRegex.Match(value).Length; } const int _max = 1000000; static ...
g modifier:global. All matches (don't return after first match) m modifier:multi line. Causes^and$to match the begin/end of each line (not only begin/end of string) Match Information Quick Reference Regular Expression Processing...