Ruby StringScanner matched用法及代碼示例

StringScanner＃matched()：matched()是StringScanner類方法，它返回最後一個匹配的字符串。

用法：StringScanner.matched()

參數：StringScanner值

返回：最後匹配的字符串。

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"

輸出：

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"

輸出：

String Scanner matched form : 

String Scanner matched form : hellogeeks

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