Ruby | StringScanner skip_until function

StringScanner#skip_until() : skip_until() is a StringScanner class method which returns the number of bytes advanced, or nil if no match was found.

Syntax: StringScanner.skip_until()

Parameter: StringScanner values
pattern

Return: the number of bytes advanced, or nil if no match was found.

Example #1 :



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

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Output :

String Scanner skip_until form : 10

String Scanner skip_until form : 11

Example #2 :

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# Ruby code for StringScanner.skip_until() method
  
# loading StringScanner
require 'strscan'
  
# declaring StringScanner 
c = StringScanner.new("h ello geeks")
  
# skip_until() method
c.skip_until(/12/)
puts "String Scanner skip_until form : #{c.pos()}\n\n"
  
# skip_until() method
c.skip_until(/./)
puts "String Scanner skip_until form : #{c.pos()}\n\n"

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Output :

String Scanner skip_until form : 0

String Scanner skip_until form : 1

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