红宝石 | StringScanner 匹配函数

StringScanner#matched() ：matched()是一个 StringScanner 类方法，它返回最后一个匹配的字符串。

Syntax: StringScanner.matched()

Parameter: StringScanner values

Return: the last matched string.

示例 #1：

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

输出 ：

String Scanner matched form : 

String Scanner matched form : Mon

示例 #2：

# Ruby code for StringScanner.matched() method
  
# loading StringScanner
require 'strscan'
  
# declaring StringScanner 
c = StringScanner.new("hellogeeks")
  
c.match?(/\s+/)
# matched() method
puts "String Scanner matched form : #{c.matched()}\n\n"
  
c.match?(/\w+/)
# matched() method
puts "String Scanner matched form : #{c.matched()}\n\n"

输出 ：

String Scanner matched form : 

String Scanner matched form : hellogeeks