红宝石 |字符串 delete() 方法

delete是 Ruby 中的 String 类方法，用于返回给定字符串的副本，其中删除了其参数交集中的所有字符。

Syntax: str.delete(parameter_list)

Parameters: Here, str is the given string and parameter_list are the specified characters.

Returns: A new copy of the string with all characters in the intersection of its arguments deleted.

示例 1：

# Ruby program to demonstrate 
# the delete method 
       
# Taking a string and 
# using the method
str = "String Counting"
puts str.delete "ing"

输出：

Str Cout

示例 2：

# Ruby program to demonstrate 
# the delete method 
       
# Taking a string and 
# using the method
str = "String Counting"
puts str.delete "ing", "^n"
  
str2 = "Ruby Method\\r\\n"
  
puts str2.delete "\\"

输出：

Strn Countn
Ruby Methodrn