StringScanner#skip_until():skip_until()是StringScanner類方法,它返回高級字節數,如果找不到匹配項,則返回nil。
用法:StringScanner.skip_until()
參數:StringScanner值
圖案
返回:高級字節數;如果未找到匹配項,則為nil。
示例1:
# Ruby code for StringScanner.skip_until() method
# loading StringScanner
require 'strscan'
# declaring StringScanner
c = StringScanner.new("Mon Sep 12 2018 14:39")
# skip_until() method
c.skip_until(/12/)
puts "String Scanner skip_until form : #{c.pos()}\n\n"
# skip_until() method
c.skip_until(/./)
puts "String Scanner skip_until form : #{c.pos()}\n\n"
輸出:
String Scanner skip_until form : 10 String Scanner skip_until form : 11
示例2:
# Ruby code for StringScanner.skip_until() method
# loading StringScanner
require 'strscan'
# declaring StringScanner
c = StringScanner.new("h ello geeks")
# skip_until() method
c.skip_until(/12/)
puts "String Scanner skip_until form : #{c.pos()}\n\n"
# skip_until() method
c.skip_until(/./)
puts "String Scanner skip_until form : #{c.pos()}\n\n"
輸出:
String Scanner skip_until form : 0 String Scanner skip_until form : 1
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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 skip_until 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。