Ruby Regexp fixed_encoding?() 函数

Regexp#fixed_encoding?() : fixed_encoding?() 是 Regexp 类的一个方法，用于检查正则表达式是否适用于任何 ASCII 兼容编码的字符串。

语法。Regexp.force_encoding??()

参数。Regexp值

返回：true – 如果rxp适用于任何ASCII兼容编码的字符串，否则返回false。

例子 #1 :

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

输出:

Regexp fixed_encoding? form : false

Regexp fixed_encoding? form : false

Regexp fixed_encoding? form : false

例子 #2 :

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

输出:

Regexp fixed_encoding? form : false

Regexp fixed_encoding? form : false

Regexp fixed_encoding? form : false