TARGET="$(g branch | grep -E $REGEX | grep -vx "\*.*" | head -n 1 | tr -d '[:space:]')" if [[ -z $TARGET ]]; then echo "Use regex '$REGEX' to match null" else echo "Use regex '$REGEX' to match branch '$TARGET'" read -p "Are you sure to checkout branch '$...
AI代码解释 gcof(){REGEX=$1TARGET="$(g branch | grep -E $REGEX | grep -vx "\*.*" | head -n 1 | tr -d '[:space:]')"if[[-z $TARGET]];then echo"Use regex '$REGEX' to match null"elseecho"Use regex '$REGEX' to match branch '$TARGET'"read-p"Are you sure to checkout...
TARGET="$(g branch | grep -E $REGEX | grep -vx "*.*" | head -n 1 | tr -d '[:space:]')" if [[ -z $TARGET ]]; then echo "Use regex '$REGEX' to match null" else echo "Use regex '$REGEX' to match branch '$TARGET'" read -p "Are you sure to checkout branch...
#!/bin/bash input="<tag1><tag2>content</tag2></tag1>" regex="<tag2>(.*?)</tag2>" if [[ $input =~ $regex ]]; then echo "Matched content: ${BASH_REMATCH[1]}" else echo "No match found." fi 基础概念 正则表达式:一种强大的文本处理工具,用于搜索、替换、检查字符串是否符合某...
In addition to logical flags there are also logical operators. One of the most useful logical operators is the regex match operator=~. The regex match operator compares a string to a regular expression and if the string is a match for the regex then the expression is equivalent totrue, othe...
As it known to all, regex is a powerful tool for us to validate the strings. To validate the ip address, I wirte the shell script shown below. The output: Points: 1. if [[ $string =~ $regex ]]; then... The operator '=~' is for the regex comparation while '==' is for the...
chmod 755 script.sh 1. 当然实际上你需要更深入了解 chmod 命令,比如 ugo 分组,rwx 权限等,才能细粒度的使用。 忽略标准输出错误 亲爱的垃圾桶 /dev/null $ non-exist-command 2> /dev/null 1. vim 配置 修改~/.vimrc 进行 vim 格式化配置
有时候我们需要查找符合某个模式 (Pattern)的字符串,模式用正则表达式 (regex, regular expression)进行表示 加上flag-E后,grep 能够找到所有能够匹配 patternfooPATTERN的行并输出 grep : flags 这里介绍一些常用的修饰 grep 的 flags: -v(--invert-match) ...
How to use the BASH_REMATCH variable with the Regular Expression Operator =~? The Regular Expression conditional operator =~ takes a string value on the left side and a Bash extended regular expression on the right side of the operator. Syntax: *string1* =~ *regex*. The operator return ...
问Bash regex脚本不匹配EN我创建了这个批处理脚本，该脚本解析一个文件并在找到时显示我的值：#!/bin/...