RUBY Programming, For Beginners, Quick Start Guide. by Ray Yao

Author:Ray Yao [Yao, Ray]
Language: eng
Format: azw3
Publisher: Step by Step Tutorial eBook & Book
Published: 2020-08-06T00:00:00+00:00

Comparing String

The string can be compared by using following three operators.

==

eql?

casecmp

== operator: returns true or false.

eql? operator: returns true or false.

casecmp method: if match, it returns 0. if not match, it returns 1.

Example 5.7

puts "ABCD" == "AB CD"

puts "Good" == "Good"

puts "OK" .eql? "KO"

puts "100" .eql? "100"

puts "PHP" .casecmp "PHP"

puts "MySQL" .casecmp "HTML"

Output:

false

true

False

true

0

1

Explanation:

== operator: returns true or false.

eql? operator: returns true or false.

casecmp method: if match, it returns 0. if not match, it returns 1.

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