Rubyexpression

Themethodscanlooksforeachbitoftextthatmatchesthegivenpattern(regularexpression).Itthenextractsallthe“marked”(captured)partsfromit,and ...,RubularisaRuby-basedregularexpressioneditor.It'sahandywaytotestregularexpressionsasyouwritethem.Tostart,enteraregularexpressionand ...,YoucanuseaRubyrangeasabooleanexpression.Arangesuchasexp1..exp2willevaluateasfalseuntilexp1becomestrue.Therangewillthenevalu...

Regular Expressions

The method scan looks for each bit of text that matches the given pattern (regular expression). It then extracts all the “marked” (captured) parts from it, and ...

Rubular

Rubular is a Ruby-based regular expression editor. It's a handy way to test regular expressions as you write them. To start, enter a regular expression and ...

Expressions

You can use a Ruby range as a boolean expression. A range such as exp1..exp2 will evaluate as false until exp1 becomes true. The range will then evaluate as ...

class Regexp

Regular expressions (regexps) are patterns which describe the contents of a string. They're used for testing whether a string contains a given pattern, or ...

Class

Regular expressions (regexps) are patterns which describe the contents of a string. They're used for testing whether a string contains a given pattern, or ...

Class

Regular expressions (regexps) are patterns which describe the contents of a string. They're used for testing whether a string contains a given pattern, or ...

Class

Regular expressions (regexps) are patterns which describe the contents of a string. They're used for testing whether a string contains a given pattern, or ...

4. Expressions and Operators

An expression is a chunk of Ruby code that the Ruby interpreter can evaluate to produce a value. Here are some sample expressions:

Ruby Regular Expressions (Complete Tutorial)

2015年6月22日 — Ruby regular expressions are defined between two forward slashes to differentiate them from other language syntax. The most simple expressions ...

Ruby

A regular expression is a special sequence of characters that helps you match or find other strings or sets of strings using a specialized syntax held in a ...