去掉字符串前后所有空格的正则表达式

/**去掉字符串前后所有空格*/function trim(str){ return str.replace(/(^/s*)|(/s*$)/g, ""); } //计算标题长度function getNickNameLength(){var style="margin: 0px; padding: 0px; line-height: 25.2px; font-size: 14px; width: 660px; overflow: hidden; clear: both; color: rgb(0, 0, 0); font-family: tahoma, arial, 宋体;">	
-split $a

$a -split '/s+'$a -replace ("/s+","`n")

[regex]::split($a,"/b/s+/b")

[regex]::replace($a,"/b/s+/b"," ").split(" ")

[regex]::matches($a,"/b/S+/b") | %{$_.value}