if [[ "$config" =~ $WorkingDirPattern ]]; then WorkingDir="${BASH_REMATCH[1]}" # get the contents of the first capture group echo "WorkingDir is $WorkingDir" else echo "No WorkingDir found" >&2 fi 本站已为你智能检索到如下内容,以供参考: 🐻 相关问答7个 1、regex lookback中的...
regex(){# Usage:regex"string""regex"[[$1=~$2]]&&printf'%s\n'"${BASH_REMATCH[1]}"} 示例用法: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 $ # Trim leading white-space.$ regex' hello''^\s*(.*)'hello $ # Validate a hex color.$ regex"#FFFFFF"'^(#?([a-fA-F0-9]{...
else echo "The string does not match the regex pattern." fi 4. 在字符串比较中使用引号来处理包含空格的字符串 当字符串中包含空格时,必须使用引号将字符串括起来,以避免空格导致的分割问题。 示例: bash #!/bin/bash string1="hello world" string2="hello" if [ "$string1" != "$string2" ]...
=. When it is used, the string to the right of the operator is considered an extended regular expression and matched accordingly (as in regex(3)). The return value is 0 if the string matches the pattern, and 1 otherwise. If the regular expression is syntactically incorrect, the ...
String.matches方法 boolean matches(String regex) 通知此字符串是否匹配给定的正则表达式。 String str = "123456"; String re = "\\d+"; if (str.matches(re)) { // do something } Pattern类和Matcher类 String str = "abc efg ABC"; String re = "a|f"; //表示a或f ...
[[$str=~ 200[0-5]+ ]] &&echo"regex_matched" 一旦Bash 解释器执行了一个正则表达式匹配,它通常会将所有匹配结果存储在 BASH_REMATCH shell 变量中。这个变量是一个只读数组,并将整个匹配的数据存储在第一个索引中。如果使用子模式,则 Bash 会逐步将这些匹配项存储在其他索引中: ...
使用String.matches方法判断是否包含子串,注意正则表达式元字符的转义 boolean matches(String regex) Tells whether or not this string matches the given regular expression. if (str.matches(".*"+sub+".*")) { // do something } StringUtils.contains ...
regex(){# Usage: regex "string" "regex"[[$1=~$2]]&&printf'%s\n'"${BASH_REMATCH[1]}"} 示例 $ regex "Hello, World!" "(Hello), (World)!" Hello $ regex "Hello, World!" "(HelloE), (World)!" 函数的输入参数如下: $1:需要应用正则表达式的字符串; ...
替换为.*(后者是出于性能原因): String regex = "(?s).*?\"name\":\"[^\\s\"]+\".*"; 请参阅regex演示。细节: (?s)-嵌入的标志选项等于Pattern.DOTALL .*?-任何零个或多个字符,尽可能少 \"name\":\"-文字"name":"文本 [^\s"]+-除空格和"之外的一个或多个字符 "-a"char .*-字符...
通常，的语法为expr：expr match "$string" "$lead"要么：expr "$string" : "$lead"$lead正则...