Ruby Regexp ===()
函数
Regexp#===() : ===()
是一个Regexp类方法,用于比较两个正则表达式是否相等。
语法。Regexp.===()
参数。Regexp值
返回:true – 如果两个正则表达式相等,则返回false。
例子 #1 :
# Ruby code for Regexp.===() method
# declaring Regexp value
reg_a = /a/
# declaring Regexp value
reg_b = /geeks/
# declaring Regexp value
reg_c = /a/
# === method
puts "Regexp === form : #{reg_a === reg_b}\n\n"
puts "Regexp === form : #{reg_b === reg_c}\n\n"
puts "Regexp === form : #{reg_c === reg_a}\n\n"
输出:
Regexp === form : false
Regexp === form : false
Regexp === form : false
例子 #2 :
# Ruby code for Regexp.===() method
# declaring Regexp value
reg_a = /geeks/
# declaring Regexp value
reg_b = /problem/
# declaring Regexp value
reg_c = /code/
# === method
puts "Regexp === form : #{reg_a === reg_b}\n\n"
puts "Regexp === form : #{reg_b === reg_b}\n\n"
puts "Regexp === form : #{reg_c === reg_a}\n\n"
输出:
Regexp === form : false
Regexp === form : false
Regexp === form : false