From: Vaggelis Typaldos <vtypal@...>
Date: 2008-11-06T06:47:08+09:00
Subject: Re: Search a word in a string

Ganesh Ganesh wrote:
> Is there any ruby supported methods is there for searching a word in a
> particular string
> 
> For Example "Hi this is for test"
> i need to search "Hi"

Scan is the more appropriate method:
irb(main):001:0> s = "Hi this is for test"
=> "Hi this is for test"
irb(main):002:0> s.scan("Hi")
=> ["Hi"] # creates an array if the required word matches

Otherwise you can use regexp with a conditional:
irb(main):003:0> if s=~ /Hi/
irb(main):004:1>     puts "found"
irb(main):005:1> end
found

include? is another solution:
irb(main):007:0> s.include?("Hi")
=> true

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