tag:blogger.com,1999:blog-414482498098790205.post91885801568228880..comments2008-01-15T07:20:40.071-07:00Ben Simohttp://www.blogger.com/profile/11448600123169359955noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-414482498098790205.post-72421383687327872182008-01-15T07:20:00.000-07:002008-01-15T07:20:00.000-07:00To escape or not to escape, that is the question.<BR/><BR/>Thanks for mentioning this. This is something I mentioned in my presentation but neglected to include in the blog post.<BR/><BR/>It depends on the tool. Older tools that did not originally support the parens may require that they be escaped to identify them as metacharacters. Newer tools likely require that they be escaped when they are <B>not</B> metacharacters. <BR/><BR/>For the items in my list with backslashes in front of them: you will need to determine what your specific tools require.Benhttp://www.blogger.com/profile/11448600123169359955noreply@blogger.comtag:blogger.com,1999:blog-414482498098790205.post-41785960233884768852008-01-15T06:57:00.000-07:002008-01-15T06:57:00.000-07:00Hi!<BR/>As far as I know this expression <BR/>\( \) works when there are "(", ")".<BR/><BR/>If we want expression to be treated as a group we should use just (some expression) w/o backslashes.feelsgood11http://feelsgood11.wordpress.com/noreply@blogger.com