quotes

Is it better to concatenate a variable (say, $name ) into an existing string (say, $string ) like this: $string='Hi, my name is '.$name or to embed the variable in the string like this: $string="Hi, my name is $name"; or is it better to use a function like this: $string=sprintf("Hi, my name is %s",$name); Which is better in terms of processor time/efficiency? Everyone who did the test concluded that using single quotes is marginally better performance wise. In the end single quotes result in just a concatenation while double quotes forces the interpreter to parse the complete string for

I'm trying to find all of the quoted text on a single line. Example: "Some Text" "Some more Text" "Even more text about \"this text\"" I need to get: "Some Text" "Some more Text" "Even more text about \"this text\"" \"[^\"\r]*\" gives me everything except for the last one, because of the escaped quotes. I have read about \"[^\"\\]*(?:\\.[^\"\\]*)*\" working, but I get an error at run time: parsing ""[^"\]*(?:\.[^"\]*)*"" - Unterminated [] set. How do I fix this? What you've got there is an example of Friedl's "unrolled loop" technique, but you seem to have some confusion about how to express

I have this lines of text the number of quotes could change like: Here just one "comillas" But I also could have more "mas" values in "comillas" and that "is" the "trick" I was thinking in a method that return "a" list of "words" that "are" between "comillas" How I obtain the data between the quotes? The result should be: comillas mas, comillas, trick a, words, are, comillas You can use a regular expression to fish out this sort of information. Pattern p = Pattern.compile("\"([^\"]*)\""); Matcher m = p.matcher(line); while (m.find()) { System.out.println(m.group(1)); } This example assumes

As stated in, When did single quotes in HTML become so popular? and Jquery embedded quote in attribute , the Wikipedia entry on HTML says the following: The single-quote character ('), when used to quote an attribute value, must also be escaped as ' or ' (should NOT be escaped as ' except in XHTML documents) when it appears within the attribute value itself. Why shouldn't ' be used? Also, is " safe to be used instead of " ? cletus " is on the official list of valid HTML 4 entities , but ' is not. From C.16. The Named Character Reference ' : The named character reference '

I am trying to write a YAML dictionary for internationalization of a Rails project. I am a little confused though, as in some files I see strings in double quotes and in some without. A few points to consider: example 1 - all strings use double quotes; example 2 - no strings (except the last two) use quotes; the YAML cookbook says: Enclosing strings in double quotes allows you to use escapings to represent ASCII and Unicode characters. Does this mean I need to use double quotes only when I want to escape some characters? If yes - why do they use double quotes everywhere in the first example -