Ruby Regexp casefold?()用法及代碼示例

Regexp＃casefold？()：casefold？()是一個Regexp類方法，它返回正則表達式的不區分大小寫標誌的值。

用法：Regexp.casefold?()

參數：正則表達式值

返回：正則表達式的不區分大小寫標誌的值

範例1：

# Ruby code for Regexp.casefold?() method 
  
# declaring Regexp value 
reg_a = /a/ 
  
# declaring Regexp value 
reg_b = /geeks/i 
  
# declaring Regexp value 
reg_c = /a/ 
  
  
#  casefold? method 
puts "Regexp casefold? form:#{reg_a.casefold?}\n\n"
  
puts "Regexp casefold? form:#{reg_b.casefold?}\n\n"
  
puts "Regexp casefold? form:#{reg_c.casefold?}\n\n"

輸出：

Regexp casefold? form:false

Regexp casefold? form:true

Regexp casefold? form:false

範例2：

# Ruby code for Regexp.casefold?() method 
  
# declaring Regexp value 
reg_a = /geeks/ 
  
# declaring Regexp value 
reg_b = /problem/ 
  
# declaring Regexp value 
reg_c = /code/i 
  
  
#  casefold? method 
puts "Regexp casefold? form:#{reg_a.casefold?}\n\n"
  
puts "Regexp casefold? form:#{reg_b.casefold?}\n\n"
  
puts "Regexp casefold? form:#{reg_c.casefold?}\n\n"

輸出：

Regexp casefold? form:false

Regexp casefold? form:false

Regexp casefold? form:true

相關用法

注：本文由純淨天空篩選整理自mayank5326大神的英文原創作品 Ruby | Regexp casefold?() 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。