\b End the match at a word boundary. Remarks The Matches(String, String, RegexOptions, TimeSpan) method is similar to the Match(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...
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. 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...
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...
RegexMatch(<string_expr_1>, <string_expr_2>, [, <string_expr_3>]) 引數 展開資料表 描述 string_expr_1 要搜尋的字串表達式。 string_expr_2 字串表示式,其正則表達式定義為在搜尋 string_expr_1時使用。 string_expr_3 (選擇性) 選擇性字串表示式,其中包含要搭配正則表示式使用的選取修飾詞 ...
; 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 ...
Replace(String, MatchEvaluator) 在指定的输入字符串中,将匹配指定正则表达式的所有字符串替换为由 MatchEvaluator 委托返回的字符串。 Replace(String, String) 在指定的输入字符串中,将匹配正则表达式模式的所有字符串替换为指定的替换字符串。 Replace(String, MatchEvaluator, Int32) 在指定的输入字符串中,用...
; 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) { ...
word "lemons" ahead. If "lemons" is not there, then the dot matches any character except a line break. The above expression performs just one check, and the * quantifier repeats it zero or more times, from the start of the string anchored by ^ to the end of the string anchored by ...
NameKeyRequiredTypeDescription SSN ssn True string Enter US Social Security Number to validate Returns Agrandir le tableau NamePathTypeDescription match_found match_found boolean True or False status_code status_code integer 200 if request processed OK Check...