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Ruby | StringScanner restsize function
  • Last Updated : 09 Dec, 2019

StringScanner#restsize() : restsize() is a StringScanner class method which returns the size of the bytes after the string position.

Syntax: StringScanner.restsize()

Parameter: StringScanner values

Return: the size of the bytes after the string position.

Example #1 :



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# Ruby code for StringScanner.restsize() method
  
# loading StringScanner
require 'strscan'
  
# declaring StringScanner 
c = StringScanner.new("Mon Sep 12 2018 14:39")
  
# restsize() method
c.pos = 2
puts "String Scanner restsize form : #{c.restsize}\n\n"
  
# restsize() method
c.pos = 7
puts "String Scanner restsize form : #{c.restsize}\n\n"

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Output :

String Scanner restsize form : 19

String Scanner restsize form : 14

Example #2 :

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# Ruby code for StringScanner.restsize() method
  
# loading StringScanner
require 'strscan'
  
# declaring StringScanner 
c = StringScanner.new("hellogeeks")
  
# restsize() method
c.pos = 2
puts "String Scanner restsize form : #{c.restsize}\n\n"
  
# restsize() method
c.pos = 7
puts "String Scanner restsize form : #{c.restsize}\n\n"

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Output :

String Scanner restsize form : 8

String Scanner restsize form : 3

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