匹配换行符”。使用记事本++ 6.2测试这将替换包含空格（或不包含空格）的连续空行，并将其替换为一个...
r As Long LastRow = ActiveSheet.UsedRange.Rows.Count '得到所使用区域的总行数 LastRo...
if (!Regex.IsMatch(this.txtCode.Text.Trim(), @"^[0-9]*$", RegexOptions.Singleline)) Console.Write("只能输入数字");2、C#限制输入输入除了数字之外的所有非法字符的判断private void textBox1_KeyPress(object sender, KeyPressEventArgs e) { //退格键(8)、 回车(13)、全选(1)、复制(3)、粘贴...
Regex exp= new Regex(@"\w\.\w", RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace); MatchCollection mc = exp.Matches("a.b.c.d"); 1. 2. 实例: void Main() { string ss = "259年又62天"; MatchCollection mc = Regex.Matches(ss, @"(?:(?<year>\d+)年)?又?(?:(?<month...
下面是一个例子：GNU regex是GNU提供的跨平台的POSIX 正则表达式库(C语言)。 不算GNU提供的扩展函数...
Trim Text Lines Spaces to Tabs Converter Tabs to Spaces Converter Spaces to Newlines Converter Newlines to Spaces Converter Character Accent Remover Extra Whitespaces Remover All Whitespaces Remover Punctuation Mark Remover Thousands Separator Adder Backslash Remover Backslash Adder Text Transformer Text Repea...
Quickly convert newlines to spaces in a string. Convert Spaces to Tabs Quickly convert spaces to tabs in a string. Convert Tabs to Spaces Quickly convert tabs to spaces in a string. Remove All Empty Lines Quickly remove empty lines from a string. Remove All Whitespace Quickly remove spaces,...
regex 正则表达式将空格折叠为空格或单个换行符将解决方案空间扩展到不仅使用regex，下面的代码似乎也解决了...
Examples related to regex • Why my regexp for hyphenated words doesn't work? • grep's at sign caught as whitespace • Preg_match backtrack error • regex match any single character (one character only) • re.sub erroring with "Expected string or bytes-like object" • Only num...
matches any whitespace character (equivalent to[\r\n\t\f\v]) +matches the previous token betweenoneandunlimitedtimes, as many times as possible, giving back as needed(greedy) 5th Capturing Group (//) // matches the characters//literally (case sensitive) ...