StringScanner#reset():reset()是StringScanner類的方法,該方法重置掃描指針(索引0)並清除匹配的數據。
用法:StringScanner.reset()
參數:StringScanner值
返回:重置掃描指針(索引0)並清除匹配數據。
示例1:
# Ruby code for StringScanner.reset() method
# loading StringScanner
require 'strscan'
# declaring StringScanner
c = StringScanner.new("Mon Sep 12 2018 14:39")
# reset() method
c.pos = 2
puts "String Scanner reset form : #{c.reset}\n\n"
# reset() method
c.pos = 7
puts "String Scanner reset form : #{c.reset}\n\n"
輸出:
String Scanner reset form : # String Scanner reset form : #
示例2:
# Ruby code for StringScanner.reset() method
# loading StringScanner
require 'strscan'
# declaring StringScanner
c = StringScanner.new("hellogeeks")
# reset() method
c.pos = 2
puts "String Scanner reset form : #{c.reset}\n\n"
# reset() method
c.pos = 7
puts "String Scanner reset form : #{c.reset}\n\n"
輸出:
String Scanner reset form : # String Scanner reset form : #
注意:
輸出值可能會根據係統中指針的位置而有所不同。
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注:本文由純淨天空篩選整理自mayank5326大神的英文原創作品 Ruby | StringScanner reset function。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。