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Ruby StringScanner match?用法及代码示例


StringScanner#match?():match?()是一个StringScanner类方法,它检查给定的模式是否与当前扫描指针匹配。

用法:StringScanner.match?()

参数:StringScanner值


返回:posiiton-如果模式匹配,否则返回false

范例1:

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

输出:

String Scanner match? form:3

String Scanner match? form:

范例2:

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

输出:

String Scanner match? form:10

String Scanner match? form:



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注:本文由纯净天空筛选整理自mayank5326大神的英文原创作品 Ruby | StringScanner match? function。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。