Ruby StringScanner beginning_of_line?用法及代碼示例

StringScanner＃beginning_of_line？()：beginning_of_line？()是一個StringScanner類方法，它檢查掃描指針是否在行的開頭。

用法：StringScanner.beginning_of_line?()

參數：StringScanner值

返回：true-如果掃描指針位於行的開頭，否則返回false

範例1：

# Ruby code for StringIO.beginning_of_line?() method 
  
# loading StringIO 
require 'strscan'
  
# declaring StringIO  
c = StringScanner.new('hi') 
  
# beginning_of_line?() method 
puts "StringScanner beginning_of_line? form:#{c.beginning_of_line?}\n\n"

輸出：

StringScanner << bytes form:true

範例2：

# Ruby code for StringIO.beginning_of_line?() method 
  
# loading StringIO 
require 'strscan'
  
# declaring StringIO  
c = StringScanner.new('geeksforgeeks') 
  
# beginning_of_line?() method 
puts "StringScanner beginning_of_line? form:#{c.beginning_of_line?}\n\n"

輸出：

StringScanner << bytes form:true

相關用法

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