Ruby Regexp casefold?()用法及代码示例

Regexp＃casefold？()：casefold？()是一个Regexp类方法，它返回正则表达式的不区分大小写标志的值。

用法：Regexp.casefold?()

参数：正则表达式值

返回：正则表达式的不区分大小写标志的值

范例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"

输出：

Regexp casefold? form:false

Regexp casefold? form:true

Regexp casefold? form:false

范例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"

输出：

Regexp casefold? form:false

Regexp casefold? form:false

Regexp casefold? form:true

相关用法

注：本文由纯净天空筛选整理自mayank5326大神的英文原创作品 Ruby | Regexp casefold?() 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。