Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    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

/
/
gm

Test String

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"<(.*)(?:\s[^>]*?)?>(?:{{)([^<]*?)<\/\1>([^<]*?<[\s\S]*?>[^>]*?)<(.*)(?:\s[^>]*?)?>([^<]*)(?:}})<\/\4>"; string input = @"<p style=""margin-top:0pt; margin-bottom:0pt; font-size:15pt""><span style=""font-family:宋体"">乙方经办人</span><span style=""font-family:宋体; color:#e36c0a""> </span><span style=""font-family:宋体; font-weight:bold; text-decoration:underline; color:#e36c0a; -aw-import:spaces"">&#xa0; </span><span style=""font-family:Calibri; font-weight:bold; text-decoration:underline; color:#e36c0a"">{{</span><span style=""font-family:宋体; font-weight:bold; text-decoration:underline; color:#e36c0a"">甲方手机号</span><span style=""font-family:Calibri; font-weight:bold; text-decoration:underline; color:#e36c0a"">}} </span></p> <div align=""center""> <hr size=""2"" align=""center"" noshade="" style=""width:100%; color:#444444; background-color:#444444"" /> </div> <p style=""margin-top:0pt; margin-bottom:0pt; line-height:22.5pt; background-color:#ffffff""><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">我问：</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">“</span><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">魔镜啊魔镜，哪块才是这个世界上最易碎的玻璃？</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">”</span><br /><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">魔镜说：</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">“</span><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">晕！你最美！你最美行了吧。。。</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">”</span></p> <div align=""center""> <hr size=""2"" align=""center"" noshade="" style=""width:100%; color:#444444; background-color:#444444"" /> </div> <p style=""margin-top:0pt; margin-bottom:0pt; line-height:22.5pt; background-color:#ffffff""><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">买了块几十万的表，结果每天都跑得太快，还不如几十块钱的电子表。</span><br /><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">我问厂家怎么回事，厂家说：</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">“</span><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">法拉利是不是比夏利跑得快？对吧？那这个名表当然要比普通表快了！</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">”</span></p> <div align=""center""> <hr size=""2"" align=""center"" noshade="" style=""width:100%; color:#444444; background-color:#444444"" /> </div> <p style=""margin-top:0pt; margin-bottom:0pt; line-height:22.5pt; background-color:#ffffff""><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">儿子说：</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">“</span><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">妈妈，包子一定是馒头的妈妈吧。</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">”</span><br /><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">妈妈：</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">“</span><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">为什么？</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">”</span><br /><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">儿子：</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">“</span><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">你看，它长皱纹了。</span><span style=""font-family:Verdana; font-size:10.5pt; color:#444444"">”</span></p> <div align=""center""> <hr size=""2"" align=""center"" noshade="" style=""width:100%; color:#444444; background-color:#444444"" /> </div> <p style=""margin-top:7.5pt; margin-bottom:12pt; line-height:22.5pt; background-color:#ffffff""><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">爱吃的女孩运气都不会太差，因为食来运转嘛。</span></p> <div align=""center""> <hr size=""2"" align=""center"" noshade="" style=""width:100%; color:#444444; background-color:#444444"" /> </div> <p style=""margin-top:7.5pt; margin-bottom:12pt; line-height:22.5pt; background-color:#ffffff""><span style=""font-family:Helvetica; font-size:10.5pt; font-weight:bold; color:#383838; background-color:#f5f6f9"">6</span><span style=""font-family:宋体; font-size:10.5pt; font-weight:bold; color:#383838; background-color:#f5f6f9"">页</span><span style=""font-family:宋体; font-size:10.5pt; color:#444444"">今天客户说我们公司的设备卡，死活找不到原因，工程师赶到现场，给客户换了个鼠标垫，故障排除。。。</span></p>"; RegexOptions options = RegexOptions.Multiline; foreach (Match m in Regex.Matches(input, pattern, options)) { Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index); } } }

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx