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Difference between \b and \B in regex (Word Boundary Assertion) Using regex \B-\B matches - between the word color - coded Using \b-\b on the other hand matches the - in nine-digit and pass-key How come in the first example we use \b to separate cat and in the second use \B to separate -? Using \b in the second example does the opposite of what it did earlier Please explain the difference to me
What is the difference between a += b and a =+ b , also a++ and ++a? Reply a += b is equivalent to a = a + b a = +b is equivalent to a = b a++ is postfix increment and ++a is prefix increment They do not differ when used in a standalone statement, however their evaluation result differs: a++ returns the value of a before incrementing, while ++a after I e
What does the b character do in front of a string literal? b'The string' I would like to know: What does this b character in front of the string mean? What are the effects of using it? What are appropriate situations to use it? I found a related question right here on SO, but that question is about PHP though, and it states the b is used to indicate the string is binary, as opposed to Unicode, which was needed for code to be compatible from version of
The backspace escape character \b: unexpected behavior? So I'm finally reading through K amp;R, and I learned something within the first few pages, that there is a backspace escape character, \\b So I go to test it out, and there is some very odd behav
What does $ mean in Excel formula? e. g: $B$4 - Stack Overflow The dollar sign allows you to fix either the row, the column or both on any cell reference, by preceding the column or row with the dollar sign In your example you fix the column to and the row to because you probably want to take in consideration only that cell for your formula
c - What do \t and \b do? - Stack Overflow 0 \t is the tab character, and is doing exactly what you're anticipating based on the action of \b - it goes to the next tab stop, then gets decremented, and then goes to the next tab stop (which is in this case the same tab stop, because of the \b
Alternative proof that $\frac {a^2+b^2} {ab+1}$ is a square when its . . . Note that Proof 2 is pretty much the same as Proof 1 when written out in explicit detail, but I could not read Zagier's book because I cannot read German I would like to know more approaches to this and other alternative proofs of this result if possible! Thanks in advance I would also be interested in related problems (especially easier ones of a similar nature) and texts which cover the
Difference between \w and \b regular expression meta characters Can anyone explain the difference between \\b and \\w regular expression metacharacters? It is my understanding that both these metacharacters are used for word boundaries Apart from this, which meta