Arrows: Rightwards Arrow Over Leftwards Arrow

⇄

U+21C4

⇄

Noto text font

Plane: 0 (Basic Multilingual)
Block: Arrows
Unicode Version: 1.1

UTF-32BE: 00 00 21 C4
UTF-32LE: C4 21 00 00
UTF-16BE: 21 C4
UTF-16LE: C4 21
UTF-8: E2 87 84

Character Escapes

HTML5: ⇄; ⇄; &RightArrowLeftArrow;; &rightleftarrows;; &rlarr;
C: \u21C4 (C99); \U0021C4 (C99)
C++: \u{21C4} (C++23); \U000021C4; \u21C4
Java: \u21C4
JavaScript: \u{21C4}; \u21C4
CSS: \21C4; \0021C4
Quoted-Printable: =E2=87=84
URL: %E2%87%84