在PowerShell 6 及更高版本中,-replace运算符还接受执行替换的脚本块。 脚本块针对每个匹配运行一次。 语法: PowerShell <String>-replace<regular-expression>, {<Script-block>} 在脚本块中$_,使用自动变量访问要替换的输入文本和其他有用信息。 此变量的类类型为System.Text.RegularExpressions.Match。
PSC:\Users\cxxu>helpabout_Regular_Expressions|sls-Pattern"-replace" InputStream:26:--matchand-replaceoperators InputStream:328:Usingtheregularexpressionswiththe-replaceoperatorallowsyouto InputStream:331:-replace<original>,<substitute> InputStream:348:'John D. Smith'-replace'(\w+) (\w+)\. (\w+...
Anything can be done: testing a string for a match, extracting search matches, validating input, search-and-replace, splitting a string, etc. Let RegexBuddy Make Regex Easy for You Discover how you can automate tedious tasks with regular expressions. Find out how RegexBuddy makes the regex ...
The-replaceoperator does not set the$matchesvariable. In addition to all the above PowerShell also supports thequantifiers available in .NETregular expressions. The .Net framework uses a traditional NFA regex engine, to learn more about regular expressions look for the bookMastering Regular Expressio...
Regex replace using found matches next to numbers "jrich532" -replace ``"(\d)\d{2}"``, ``` "${1}23" `` Check the Link below is find about strings and Regex http://social.technet.microsoft.com/wiki/contents/articles/4310.powershell-working-with-regular-expressions-regex.aspx http:...
对于使用正则表达式的运算符,请使用区分大小写的版本:-cmatch、-creplace或-csplit 对于switch语句,使用-casesensitive选项 字符文本 正则表达式可以是文本字符或字符串。 表达式使引擎与指定的文本完全匹配。 PowerShell # This statement returns true because book contains the string "oo"'book'-match'oo' ...
对于使用正则表达式的运算符,请使用区分大小写的版本:-cmatch、-creplace或-csplit 对于switch语句,使用-casesensitive选项 字符文本 正则表达式可以是文本字符或字符串。 表达式使引擎与指定的文本完全匹配。 PowerShell # This statement returns true because book contains the string "oo"'book'-match'oo' ...
regular expression operations Class: System.Text.RegularExpressions.Regex Pattern matching with Regex objects Pattern matching with static methods Use an overload of a method below to supply the regular expression and the text you want to search. ...
$cleanString = $string -replace '\s+', ' ' In the above example, the variable$stringholds the original string with extra white spaces, tabs, and carriage return (Line breaks). By using the-replaceoperator with the regular expression'\s+', all consecutive whitespace characters (spaces, tabs...
In this tutorial, you’re going to learn how to use the PowerShellreplace()method and PowerShellreplaceoperator. The tutorial will cover the basics and even dive into some “fun” regular expressions! You won’t need much to follow along with all of the examples in this tutorial; you’ll...