- And a yellow ribbon? Do you know what that means in the cavalry? A sweetheart.
- It does?

6 seconds sound clip from the She Wore a Yellow Ribbon movie soundboard.

You can hear this line at 00:22:03.088 in the Blu-ray version of the movie.

Quote context

[...]

- How do you know it isn't for you, mister?

- I... I'd be very happy if I thought it were for me. Very happy indeed.

- Good morning. (2)

- Trooper Dandridge reporting for duty, sir.

- Well, proper trooper! Yes, sir. Right pretty, don't you think?

- I do indeed, sir.

- And a yellow ribbon? Do you know what that means in the cavalry? A sweetheart.

- It does?

- Who's it for?

- Why, for you, of course, Captain Brittles.

- For me. I'll make these young bucks jealous.

- Oh, good morning, Flint.

- Well, darling, you look nice. I hope Ross notices that yellow ribbon.

- I hope you're wearing that yellow ribbon for me, Olivia.

- Why, who else would I be wearing it for, Ross?

[...]