While I’m not sure if the descriptions above completely match these two bugs, we are aware of two cases that can cause hyperlink formatting to “spread” where it should not:
And how could I remove the link format easily / fast of the text (without removing it from the links)?
Unfortunately that is probably not possible, but if it you are seeing one of the bugs above, it’s important to note that in theory it will keep coming back anyway. It is probably better to turn off the URL auto-detection setting if it is giving you difficulties.