Ruby | StringScanner matched_size function

StringScanner#matched_size() : matched_size() is a StringScanner class method which returns the size of the most recent match

Syntax: StringScanner.matched_size()
Parameter: StringScanner values
Return: the size of the most recent match otherwise return nil

Example #1 :

Ruby

# Ruby code for StringScanner.matched_size() method

# loading StringScanner
require 'strscan'

# declaring StringScanner
c = StringScanner.new("Mon Sep 12 2018 14:39")

c.match?(/\s+/)
# matched_size() method
puts "String Scanner matched_size form : #{c.matched_size()}\n\n"

c.match?(/\w+/)
# matched_size() method
puts "String Scanner matched_size form : #{c.matched_size()}\n\n"

Output :

String Scanner matched_size form : 

String Scanner matched_size form : 3

Example #2 :

Ruby

# Ruby code for StringScanner.matched_size() method

# loading StringScanner
require 'strscan'

# declaring StringScanner
c = StringScanner.new("hellogeeks")

c.match?(/\s+/)
# matched_size() method
puts "String Scanner matched_size form : #{c.matched_size()}\n\n"

c.match?(/\w+/)
# matched_size() method
puts "String Scanner matched_size form : #{c.matched_size()}\n\n"

Output :

String Scanner matched_size form : 

String Scanner matched_size form : 10