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Ruby | StringScanner post_match function
  • Last Updated : 10 Dec, 2019

StringScanner#post_match() : post_match() is a StringScanner class method which returns the post-match (in the regular expression sense) of the last scan

Syntax: StringScanner.post_match()

Parameter: StringScanner values

Return: post-match (in the regular expression sense) of the last scan

Example #1 :






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

Output :

String Scanner post_match form :  Sep 12 2018 14:39

String Scanner post_match form : Sep 12 2018 14:39

Example #2 :




# Ruby code for StringScanner.post_match() method
  
# loading StringScanner
require 'strscan'
  
# declaring StringScanner 
c = StringScanner.new("h ello geeks")
  
c.scan(/\w+/) 
# post_match() method
puts "String Scanner post_match form : #{c.post_match()}\n\n"
  
c.scan(/\s+/)
# post_match() method
puts "String Scanner post_match form : #{c.post_match()}\n\n"

Output :

String Scanner post_match form :  ello geeks

String Scanner post_match form : ello geeks

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