Articles related to grouping operators
Regular Expressions: Grouping - Ruby - About.com
The grouping operators, including the parentheses operator, are some of the most powerful and frequently used operators in the Ruby regex syntax.
Using Boolean Operators in Ruby - About.com
As with most programming languages, you'll need to use boolean operators. Boolean operators are quite simple. The and operator takes two operands and ...
Regular Expressions--5 Questions and Answers to Get Started With ...
Some of the most powerful and useful operators in the Ruby regex syntax are the grouping operators. While quantifiers only work on the previous element, the ...
Gmail Search Operators and Functions - Email - About.com
Messages that do not contain a term or expression. () - Group search terms or expressions. By default, Gmail combines search terms and operators with "AND": ...
Operator Precedence in C++ - C/C++/C - About.com
It has preset precedence levels for it's operators. for expressions its easiest to ... 1 :: Scope resolution operator 1 (expression) Grouping 2 () L-R Function call 2 ...
In the last tutorial you learned about operators that you can use to manipulate ... In this example only one statement is contained within each group and so the ...
Summarizing Data with CUBE and ROLLUP - Databases - About.com
Notice that we are presented with a number of additional groupings that contain ... Utilizing the ROLLUP operator instead of the CUBE operator will eliminate the ...
perlre - Linux Command - Unix Command
in ``Regexp Quote-Like Operators'' in perlop. ...... S): For this grouping operator there is no need to describe the ordering, since only whether or not "S" can ...
Lookahead and Back-references - Ruby - About.com
Ruby's regular expression language allows you to match previous groupings ... Note that other operators with parentheses--such as the lookahead operator (?=.
Regular Expressions - Ruby - About.com
Aside from the basic regular expression operators such as groupings and quantifiers, there are some other special characters and escape sequences ...