可能分组会有错误。就我所使用的regex而言，[]或\s将支持单个空格
[ ]{2,3}如果需要排除1个空格
In regular expressions, \s stands for any whitespace character such as a space, tab, carriage return, or new line. To allow only spaces, use [-\. ] instead of [-\.\s]. Regex to NOT match character To find strings that do NOT contain a certain character, you can use negated charac...
<Project Sdk="Microsoft.NET.Sdk"> <PropertyGroup> <TargetFramework>net6.0</TargetFramework> <AllowUnsafeBlocks>true</AllowUnsafeBlocks> <EnableDynamicLoading>true</EnableDynamicLoading> </PropertyGroup> <PropertyGroup> <OutputPath>$(BinRoot)/$(Configuration)/</OutputPath> <AppendTargetFramework...
Atomic groups are most commonly used to improve performance, and are a much needed feature that regex brings to native JavaScript regular expressions. Example: regex`^(?>\w+\s?)+$` This matches strings that contain word characters separated by spaces, with the final space being optional. ...
If you want to require a space, use:[\s]or\s If you want to require parenthesis, use:[(]and[)]. Using\(and\)is ugly and can make things confusing. If you want anything to be optional, put a?after it If you want a hyphen, just type-or[-]. If you do not put it first or...
AllowAction AllQueryArguments AndStatement APIKeySummary AssociationConfig AWSManagedRulesACFPRuleSet AWSManagedRulesATPRuleSet AWSManagedRulesBotControlRuleSet BlockAction Body ByteMatchStatement CaptchaAction CaptchaConfig CaptchaResponse ChallengeAction ChallengeConfig ChallengeResponse Condition CookieMatchPattern Cookie...
Namespace: System.Text.RegularExpressions Assembly: System.Text.RegularExpressions.dll Compiles regular expressions and saves them to disk in a single assembly. Overloads Expand table CompileToAssembly(RegexCompilationInfo[], AssemblyName, CustomAttributeBuilder[], String) ...
The term "regular expression" is a mouthful, so you will usually find the term abbreviated to "regex" or "regexp". Imagine you are writing an application and you want to set the rules for when a user chooses their username. We want to allow the username to contain letters, numbers, ...
s Allow dot (.). to match \n. R Enables CRLF mode: when multi-line mode is enabled, \r\n is used. U Swap the meaning of x* and x*?. u Unicode support (enabled by default). x Verbose mode, ignores whitespace and allow line comments (starting with #).In...