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When to replace the escape character in a string?
You should be replacing with “\\\\\\\\” because “\\\\” is escaping into a single \\ thus no change. To better demonstrate and understand the string-escaping behavior, take the following example:
What happens when you insert a token in a job step?
In this case, the inserted statement, SELECT @@VERSION, does not execute. Instead, the extra single quotation mark causes the server to parse the inserted statement as a string. If the token replacement string does not contain a single quotation mark, no characters are escaped and the job step containing the token executes as intended.
How is token replacement handled in SQL Server Agent?
The following table describes how token replacement is handled by SQL Server Agent. To turn alert token replacement on or off, right-click SQL Server Agent in Object Explorer, select Properties, and on the Alert System page, select or clear the Replace tokens for all job responses to alerts check box.
Is there a way to escape a string in Java?
The escape list is from Oracle’s list. ( Note that \\\\ is escaped first as you don’t want to re-escape it later.) This solution isn’t as fast as it could be, but it should work. Ideally you would only parse the String once and you wouldn’t need to keep rebuilding your String array. For small Strings this should be fine.
When do you need to escape characters in Java?
Which means it needs to actually be escaped twice when using it in a Java string. (First for the string parser, then for the regex parser.) The javadoc of replaceAll says:
What does the Javadoc of replaceAll ( ) say?
(First for the string parser, then for the regex parser.) The javadoc of replaceAll says: Note that backslashes ( \\ ) and dollar signs ($) in the replacement string may cause the results to be different than if it were being treated as a literal replacement string; see Matcher.replaceAll.
Is the backslash an escape character in Java?
The backslash is an escape character in Java Strings. e.g. backslash has a predefined meaning in Java. You have to use “\\ \\” to define a single backslash. If you want to define ” \\ w” then you must be using “\\ \\ w” in your regex.