query: Difference between [abc] and (a|b|c)
positive_passages.docid: 118699
positive_passages.text: Using alternation or character class for single character matching?
negative_passages.docid: 84584
negative_passages.text: Difference between | and || or & and && for comparison
negative_passages.docid: 87375
negative_passages.text: Difference between [0-9], [[:digit:]] and \d
negative_passages.docid: 62770
negative_passages.text: Does $a\mid bc$ imply $a\mid b$ or $a\mid c$?
negative_passages.docid: 78396
negative_passages.text: Logical Operators, || or OR?
negative_passages.docid: 11509
negative_passages.text: Relationship between $\operatorname{ord}(ab), \operatorname{ord}(a)$, and $\operatorname{ord}(b)$
negative_passages.docid: 48026
negative_passages.text: What's the difference between X = X++; vs X++;?
negative_passages.docid: 124742
negative_passages.text: P(A|C)=P(A|B)*P(B|C)?
negative_passages.docid: 130510
negative_passages.text: What is the rule for using "a" or "an" in a sentence?
negative_passages.docid: 16540
negative_passages.text: Difference between \big[ and \bigl[
negative_passages.docid: 57967
negative_passages.text: Difference between $\mathbb C$ and $\mathbb R^2$
negative_passages.docid: 10303
negative_passages.text: Difference of the \dots*
negative_passages.docid: 40848
negative_passages.text: $a\mid b,c\mid d\Rightarrow\,\gcd(a,c)\mid \gcd(b,d)$
negative_passages.docid: 89177
negative_passages.text: $\operatorname{adj}(AB) = \operatorname{adj} B \operatorname{adj} A$
negative_passages.docid: 121601
negative_passages.text: Difference between the use of "a" and "any" in these examples?
negative_passages.docid: 110165
negative_passages.text: What is "x && foo()"?
negative_passages.docid: 119236
negative_passages.text: Why is it "description" but "describe" (b and p)?