Ruby StringScanner 匹配函数

StringScanner#matched() : matched()是StringScanner类的一个方法，用于返回最后匹配的字符串。

语法。StringScanner.match()

参数。StringScanner的值

返回：最后匹配的字符串。

例子 #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

例子 #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