Which method has a function to insert something after x characters.
该方法有一个函数，可以在x字符后插入一些东西。
Example, I have this string:
例如，我有这个字符串:
@test = "Something, is wrong"
And then it would be possible to do something like:
然后就有可能做一些类似的事情:
@test.insert(x words or x characters , '<br />')
I need this because I need to insert a line break <br /> in a long string that I need to break up.
我需要这个，因为我需要在一个需要拆分的长字符串中插入换行符
。
1 个解决方案
#1
7
You should start by looking at the String class in the Ruby docs.. http://www.ruby-doc.org/core-1.9.3/String.html
您应该从Ruby文档中的String类开始。http://www.ruby-doc.org/core-1.9.3/String.html
Take a stab at what you think the method you're looking for might be called... in your case insert and see what it says..
尝试一下你认为你正在寻找的方法可能被称为……在你的例子中插入，看看它说什么。
"abcd".insert(3, 'X') #=> "abcXd"
#1
7
You should start by looking at the String class in the Ruby docs.. http://www.ruby-doc.org/core-1.9.3/String.html
您应该从Ruby文档中的String类开始。http://www.ruby-doc.org/core-1.9.3/String.html
Take a stab at what you think the method you're looking for might be called... in your case insert and see what it says..
尝试一下你认为你正在寻找的方法可能被称为……在你的例子中插入，看看它说什么。
"abcd".insert(3, 'X') #=> "abcXd"