As noted by EverythingApplePro, the emoji string doesn't crash iOS 9, likely because it doesn't support emoji. "What you see in the text is the waving white flag emoji, a zero, and the rainbow emoji.

The idea for the rainbow flag emoji was first floated in 2015 when Unicode updated its emoji for skin tone variations, but wasn't included despite "strong vendor support," according to a letter ...

The group spent some time discussing the technicalities before coming up with the idea of using the Zero Width Joiner, which allows you to combine different emoji — a blank flag and a rainbow ...

As if having access to the drool-inducing churro and turkey leg emojis isn’t awesome enough , a new rainbow flag emoji could arrive soon, quite possibly before the end of 2016.

That could be about to change, though, with the Unicode Consortium — the gatekeepers to all things emoji — indicating a rainbow flag emoji could soon be added. Unlike other new icons, the flag ...