trim_end()trim_end()

• 09/30/2020
• • o
  • v

删除指定正则表达式的尾随匹配项。Removes trailing match of the specified regular expression.

语法Syntax

trim_end(regex, text)trim_end(regex, text)

参数Arguments

• regex：要从 text 的结尾修剪的字符串或正则表达式。regex : String or regular expression to be trimmed from the end of text .
• text ：一个字符串。text : A string.

返回Returns

修剪 text 结尾的 regex 匹配项后的 text。text after trimming matches of regex found in the end of text .

示例Example

以下语句从 string_to_trim 的结尾修剪 substring：Statement bellow trims substring from the end of string_to_trim :

let string_to_trim = @"bing.com";
let substring = ".com";
print string_to_trim = string_to_trim,trimmed_string = trim_end(substring,string_to_trim)

下一条语句从字符串的结尾修剪所有非单词字符：Next statement trims all non-word characters from the end of the string:

print str = strcat("-  ","Te st",x,@"// $")
| extend trimmed_str = trim_end(@"[^\w]+",str)