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

由 Y He 著作 · 2020 · 被引用 135 次 — We show that RUBY can be used to noninvasively monitor gene expression in plants. Furthermore, we show that RUBY is an effective selection ...

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 ...

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 ...

When ruby parses this expression it first encounters a as a method call in the “then” expression, then later it sees the assignment to a in the “test ...

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 ...

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 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 ...

2024年3月21日 — In this guide, we are going to learn all about Ruby Regex. They are actually called Ruby Regular Expressions, and they should not be confused ...

Ruby regular expressions are a very powerful technique you need to learn. In this tutorial I explain everything you need to know to get started!