elasticsearch escape double quotes

quotes.When I use single quotation marks to represent a string, if I want to representLet's go this string, must be this:S4 = ' let\ ' go ', note No, there is a ' in the string, andStrings are used to represent, soThis is the time to use the escape character \ (\, the escape character should knowIf you have a whole bunch of strings in your stringEscape character, looks sure to be uncomfortable, Python is a

[Reprinted] differences between single quotes, double quotes, and anti-quotes in linux shell, linuxshell Linux shell can recognize four different types of leading characters: single quotes character 'double quotation marks charact

= $ first_name. ''. $ last_name; $ Full_name = "$ first_name $ last_name "; The processing of single and double quotation marks is different in PHP. The content in the double quotation mark string can be interpreted and replaced. The content in the string is generally considered a common character. For example: $ Foo = 2; Echo "foois $ foo"; // print the result: foois2 Echo 'foois $ Foo'; // print the resu

=start=Search keywords:Golang Single QuotesGolang Double QuotesGolang Back QuotesReference results:The conclusion is written in the first: in the go language is not inclined to use single quotation marks to represent strings, use double quotation marks or anti-quotation marks as needed. A go language string is a constant sequence of arbitrary bytes. The string type of the go language is inherently dif

What is the difference between single quotes and double quotes of strings in PHP? What is the difference between delimiters and double quotation marks? (1) What is the difference between single quotes and double

One, single and double quotation marksFirst, both single and double quotes are meant to solve the problem of having spaces in the middle.Because the space in Linux as a very typical delimiter, such as String1=this is astring, so execution will be error. To avoid this problem, single and double

In Python, strings can be enclosed in single quotes or double quotes, which are equivalent, while in PHP, some of the single and double quotes are not the same, although the expression of the string, but in PHP single quotation mark resolution faster than

finally handles the line as a parameter3. Anti-quote (')Command substitution refers to the ability of the shell to interpolate the standard output of a command anywhere on a command line. There are two ways to make command substitutions in the shell: put the shell command in reverse quotation marks or $ (...). Structure enclosed, where, $ (...) Formats are supported by POSIX standards and are also beneficial for nesting.Echo Date time is 'datedatetime:35 2005Echo Your Current working director

The string type of the go language is string inherently different from the string types in other languages: Java string, C + + std::string, and Python3 str type are all just fixed-width character sequences The go language string is a UTF-8-encoded, variable-width sequence of characters, each of which is represented by one or more bytes That is: A Go language string is a constant sequence of arbitrary bytes . Golang's double and back

One, single and double quotation marksBoth single and double quotes are meant to solve the problem of having spaces in the middle.Because the space in Linux as a very typical delimiter, such as String1=this is astring, so execution will be error. To avoid this problem, single and double

In PHP, a string is usually defined in a pair of quotes Follow these steps: The code is as follows Copy Code $out = str_replace (Array (' RN ', ' r ', ' n '), ', $out); PHP provides three ways to define strings: single quotes, double quotes, and local documents (English is called here Docu

PHP removes backslashes in JSON string and backslash before double quotation mark, JSON double quotation mark The JSON string that is passed to PHP via Ajax is sometimes added with a backslash "\" to escape, and PHP needs to be stripped of the backslash before Json_decode. ps:php get fetch JSON how to remove backslash before

1.single and double quotation marks are used for the user to assign a string with a space to the delimiter of the variable. [email protected] sh]# str= "Today is Monday"[email protected] sh]# echo $strToday is MondayIf there is no single or double quotation marks, the shell interprets the string after the space as a command. [email protected] sh]# Str=today is MondayBash:is:command not found2, the differenc

meanings: * + ^ $ ' "|?[[email protected] ~]# echo "This book price for $188.88" # $188.88 is actually 88.88 after the variable isThis book price for 88.88[Email protected] ~]# echo "This book price for \$188.88"This book price for $188.88[[email protected] ~]# echo ' This book price for $188.88 ' #或者用单引号This book price for $188.88[Email protected] ~]# echo-e "Hello.\nwelcome to Shell."Hello.Welcome to Shell.Here-e indicates the substitution of the escape