Ruby | StringScanner scan function
StringScanner#scan() : scan() is a StringScanner class method which tries to match with pattern at the current position.
Syntax: StringScanner.scan()
Parameter: StringScanner values
Return: matched string otherwise return false
Example #1 :
require 'strscan'
c = StringScanner. new ( "Mon Sep 12 2018 14:39" )
c.scan(/\w+/)
puts "String Scanner result of c.scan() form : #{c.pos()}\n\n"
c.scan(/\s+/)
puts "String Scanner result of c.scan() form : #{c.pos()}\n\n"
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Output :
String Scanner result of c.scan() form : 3
String Scanner result of c.scan() form : 4
Example #2 :
require 'strscan'
c = StringScanner. new ( "h ello geeks" )
c.scan(/\w+/)
puts "String Scanner result of c.scan() form : #{c.pos()}\n\n"
c.scan(/\s+/)
puts "String Scanner result of c.scan() form : #{c.pos()}\n\n"
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Output :
String Scanner result of c.scan() form : 1
String Scanner result of c.scan() form : 2
Last Updated :
12 Dec, 2019
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