查找string 所表示的字符串中,以 replace 替换,行首被 substring 所匹配到的字符串, ${string/#substring/replace} 示例 [root@centos8 script]#str="I Love Go I Love Go"[root@centos8 script]#echo ${str/#Go/Python}I Love Go I Love Go [root@centos8 script]# 查找string 所表示的字符串中,以...
opt/oracle/script.sh (13)${var/%substring/replace_str} ,表示如果$string的后缀匹配$substring, 那么就用$replace_str来代替匹配到的$substring。必须是结尾部分满足匹配条件。 $ var="/oracle/oracle/script.sh"$echo${var/%sh/txt}/oracle/oracle/script.txt 说明:(1)substring可以是正则表达式;(2)${st...
前后缀替换 ${string/#match_string/replace_string}:将 string 中第一个 match_string 替换成 replace_string ${string/%match_string/replace_string}:将 string 中的 match_string 全部替换成 replace_string [user@host dir]$ str=123abc123 [user@host dir]$ echo "${str/#123/r}" rabc123 [user@...
注意:expr index stringsubstring索引命令功能在字符串string上找出substring中字符(不是字符串)第一次出现的位置,若找不到则expr index返回0或1。 6、Shell数组 bash支持一维数组(不支持多维数组),并且没有限定数组的大小。类似与C语言,数组下标由0开始。 在Shell中,用括号来表示数组,数组元素用“空格”符号分割...
stringawaitShell.Current.GoToAsync($"{navigationTarget}?name={((Animal)item).Name}"); }else{stringlowerCasePropertyName = navigationTarget.Replace("details",string.Empty);// Capitalise the property namestringpropertyName =char.ToUpper(lowerCasePropertyName[0]) + lowerCasePropertyName.Substring(1);var...
[string]$Name){ return Get-WMIObject -class Win32_NetworkAdapter -Filter Name=$Name } static [object]GetNetAdapterByMACAddress([string]$MACAddress){ return Get-WMIObject -class Win32_NetworkAdapter -Filter MACAddress=$MACAddress } static [object]GetVolume(){ <# Get the storage area on the...
数据表一行变多行select a.classid, substring_index(substring_index(a.classname, ',', b mysql 数据库 database 原创 CBeann 2022-09-13 11:59:52 1729阅读 几种多行变一行 --生成测试数据createtableT(departmentint,personvarchar(20))insertintoTselect1,'张三'insertintoTselect1,'李四'insertintoTselec...
how to replace a substring varaible in a string variable? How to replace char in 2GB Text file with Powershell? How To Replace Line Feed With Space? How to replace single quote with double quote how to replace two or more consecutive whitespace characters with a single space character? H...
Replace Bash old='an'new='a'$echo"${string//$old/$new}"#replace allThis is a example. $echo"${string/$old/$new}"#replace firstThis is a example. strs $ str replace$old$new"$string"This is a example. $ str replace$old$new"$string"--count 1 This is a example. $ str repla...
-replace 替换运算符 用法:"abcd" -replace "bc","TEST" 返回结果:aTESTd -match 正则表达式匹配 -like 通配符匹配 7.其他运算符 , 数组构造函数 .. 范围运算符 -is 类型鉴别器 用法: $a = 100 $a -is [int] 返回结果:Ture $a -is [string] 返回结果:False ...