[[ $config =~ $pat ]] echo "${BASH_REMATCH[0]}" echo "${BASH_REMATCH[1]}" output: echo $config | grep -o '(?<=("WorkingDir":\s")).+(?=")' output: 正如在注释中指出的,expr只使用“basic”(又名“obsoluted”)正则表达式,bash的=~操作符使用的正则表达式引擎不支持lookahead或loo...
Regex in Bash is often used in combination with commands like `grep`, `sed`, and others. Here are some examples: How to Use Regex for Character Classes There are several character classes that allow you to match a specific set of characters. Here are some common character classes in Bash...
问在bash中带带regex的多个匹配项，使用EN#!/bin/sh foo() { local basedir=$1 ...
当微软宣布,将在Windows10上面支持bash时,所有的Unix命令行用户都为之雀跃了。上周三,微软发布了一个测试版本,开始支持了这项功能。为了运行bash,首先要进行几步操作。...Updates),安全>开发者(Security > For Developers)打开新的设置页面,选择“Windows Sub...
regex在perl中工作，在bash中无法匹配，在zsh中工作，但BASH_REMATCH为空对于bash，使用[[:space:]]而...
regex 如何在bash中检查字符串是否为-key value格式？有一个很好的机会，你的起始str实际上应该被填充为...
It means that the mentioned regex is going to look for a word that starts with ‘t’ , have any of the letters ‘a e I o u ’ in the middle & letter ‘l’ as the last word. It can be ‘tel’ ‘tal’ or ‘til’ / Match can be a separate word or part of another word li...
[i] # print the lines before the first match f=1} # flag we are in the match f || (c && c--) # print either if in the match or tail context /phrase/ {f=0; c=a} # end match, start tail {for (ln in arr) if (ln<FNR-b) delete arr[ln] # rolling line buffer arr[...
为什么第一个匹配是aab[1,3]而不是ab[2,3]?简单地说,因为正则表达式有另一条比懒惰/贪婪优先级更高的规则:最先开始的匹配拥有最高的优先权——The match that begins earliest wins。 代码/语法说明 *?重复任意次,但尽可能少重复 +?重复1次或更多次,但尽可能少重复 ...
[WARNING]: provided hosts list is empty, only localhost is available. Note that the implicit localhost does not match 'all' PLAY [localhost] *** TASK [Gathering Facts] **