最常用的写法如下:Pattern pattern =Pattern.compile(Regex,Pattern.CASE_INSENSITIVE);但是有些情况下,需要正则表达式字符串本身包含大小写无关的定义。比如replaceAll函数,要按照大小写无关去替换怎么办呢 java 大小写匹配 大小写 正则表达式 下划线 转载 柳随风...
String replaceAll(String regex, String replacement) Replaces each substring of this string that matches the given regular expression with the given replacement. String replaceFirst(String regex, String replacement) Replaces the first substring of this string that matches the given regular expression with...
isvalidip() #@ USAGE: isvalidip DOTTED-QUAD { case $1 in ## reject the following: ## empty string ## anything other than digits and dots ## anything not ending in a digit "" | *[!0-9.]* | *[!0-9]) return 1 ;; esac ## Change IFS to a dot, but only in this functio...
shopt -s nullglob # Non-matching globs are removed ('*.foo' => '') shopt -s failglob # Non-matching globs throw errors shopt -s nocaseglob # Case insensitive globs shopt -s dotglob # Wildcards match dotfiles ("*.sh" => ".foo.sh") shopt -s globstar # Allow ** for recursive...
set-o nocaseglob # Case insensitive globs set-o globdots # Wildcards match dotfiles ("*.sh"=>".foo.sh") set-o globstar # Allow **forrecursive matches ('lib/**/*.rb'=>'lib/a/b/c.rb') 历史 命令 history 显示历史 shopt-s histverify 不要立即执行扩展结果 ...
[:alpha:]: Alphabetic(case-insensitive) [:lower:]: Lowercaseprintable characters [:upper:]: Uppercaseprintable characters [:digit:]: Numbersin decimal 0 to 9 [:alnum:]: Alphanumeric(all digits and alphabetic characters) [:space:]: White spacemeaning spaces,tabs, andnewlines ...
"regex" Use a regular expression inside the JSONPath pattern. Combine with '-i' for case insensitive search. Combine with '-w' to match whole words only. Examples: Find every node key starting with 'ip': #These are all equivalent./JSONPath.sh -f test/valid/docker_running.json -i"$.....
用户可以将经常查询的内容放到缓存中，再次使用时直接从缓存中取值，而不需要再查询数据库。这样做的优点...
nocaseglob: (ornocase, fornode-globcompatibility) Enable case-insensitive matching in filenames when performing pathname expansion. nullglob: If set, Bash allows patterns which match no files to expand to a null string, rather than themselves. ...
Pattern.CASE_INSENSITIVE); 正则表达式提取 Stringre=".+\\(.+)$"; Stringstr="c:\\dir1\\dir2\\name.txt"; Patternp=Patternpile(re); Matcherm=p.matcher(str); booleanrs=m.find(); for(inti=1;i<=m.groupCount();i++){ System.out.println(m.group(i)); } 以上的执行结果为name.txt,...