String = I <am a insta good </boy>.Why,I <am a insta bad </boy>.Where,I <am a naughty </boy>.How,I <am a soft </toy>.Don't know,I <am a very good </boy>.Why so, I <am a very bad </boy>.That's why
I want output where insta is between these two words like this
<am a insta good </boy>
<am a insta bad </boy>
I tried /(<am)(.*)(<\/boy>)/g
this but I am getting many output. Not what I want means those 5 lines.