how to insert conditional line break in lyx?

I have a very long url which I need to insert into my text, but lyx/latex seems not to be able to break it. How do I tell in lyx that it can break line *without* hyphenation mark between some characters. I know normally I should use control+minus, but it inserts hyphenation mark.

how to insert conditional line break in lyx?

I have a very long url which I need to insert into my text, but lyx/latex seems not to be able to break it. How do I tell in lyx that it can break line *without* hyphenation mark between some characters. I know normally I should use control+minus, but it inserts hyphenation mark.

how to insert conditional line break in lyx?

I have a very long url which I need to insert into my text, but lyx/latex seems not to be able to break it. How do I tell in lyx that it can break line *without* hyphenation mark between some characters. I know normally I should use +, but it inserts hyphenation mark.