¿Hay alguna manera de verificar si una cadena en JS es un solo emoji?

20

La pregunta es simple: tengo una cadena str, ¿cómo puedo verificar si strhay un solo emoji y nada más? Además, preferiría no usar otra biblioteca.

Partido "🍎", "⛹🏿‍♂️", "3️⃣"pero no "🍓a", "𝕒","🍌🍀"

Tengo problemas para encontrar una solución, pero aquí hay algunas cosas que he probado hasta ahora:


Intento de solución 1: jugar con las longitudes y el ...operador

Aprendí que los emojis ocupan más de un byte, algunos incluso ocupan 4 bytes o más ... y podemos medir eso a través de la lengthpropiedad de la cadena :

console.log("🍎".length); // 2
console.log("🛡️".length); // 3
console.log("⛹🏿‍♂️".length); // 6

Luego descubrí que el ...operador tiene esto en cuenta y separa correctamente los emojis en la matriz; entonces pude ver la lengthpropiedad de la matriz resultante y detectar si eran diferentes.

str = "⛹🏿‍♂️";
if (str.length !== [...str].length) {
  // is emoji?
} else {
  // is not emoji
}

Pero esto no comprueba otros caracteres de varios bytes, como 𝕡cuya longitud es 2. Además, algunos emojis todavía se separaban de una manera extraña.


Intento de solución 2 - expresiones regulares, expresiones regulares

Por supuesto, la expresión regular sería algo a tener en cuenta, pero aún no he encontrado una solución viable.

La expresión regular de esta respuesta\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff] funciona perfectamente para detectar si una cadena tiene algún emojis, pero aplicada a mi situación produce muchos problemas. Aquí están mis pruebas:

Parte A - Sin inicio / final de la expresión regular de cadena ( ^y $)

  • 2A.1 str.match(regex) es muy inconsistente, descompone algunos emojis y otros inutilizables. No veo una manera de averiguar si incluso contiene caracteres que no son emoji o si contiene más de un emoji:
let regex = /(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])/;

console.log("5️⃣".match(regex)); // [ '⃣', '⃣', index: 2, input: '5️⃣' ]
console.log("💡".match(regex)); // [ '💡', '💡', index: 0, input: '💡' ]
console.log("🌡️🌡️".match(regex)); // [ '🌡', '🌡', index: 0, input: '🌡️🌡️' ]
console.log("a⛅".match(regex)); // [ '⛅', '⛅', index: 1, input: 'a⛅' ]
  • 2A.2 regex.test(str) devuelve verdadero cada vez que se incluye un emoji en la cadena, que no es el comportamiento que estoy buscando:
let regex = /(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])/;

console.log(regex.test("5️⃣")); // true - correct
console.log(regex.test("a")); // false - correct
console.log(regex.test("🌡️🌡️")); // true - should be false
console.log(regex.test("hello ⛅!")); // true - should be false

Parte B - Con inicio / fin de expresión regular de cadena ( ^y $)

  • 2B.1 str.match(regex) regresa nullen ciertos emojis por alguna razón. No tengo idea de por qué, pero supongo que tiene alguna relación sobre por qué str.match(regex)rompería estos emojis en la Parte A:
let regex = /^(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])$/;

console.log("5️⃣".match(regex)); // null
console.log("💡".match(regex)); // [ '💡', '💡', index: 0, input: '💡' ]
console.log("🌡️".match(regex)); // null
console.log("⛅".match(regex)); // [ '⛅', '⛅', index: 1, input: 'a⛅' ]
console.log("🍌🍀".match(regex)); // null
  • 2B.2 regex.test(str) devolverá falseen las mismas emojis donde regresaría nullen str.match(regex):
let regex = /^(\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff])$/;

console.log(regex.test("5️⃣")); // false - should be true
console.log(regex.test("💡")); // true - correct
console.log(regex.test("🌡️")); // false - should be true
console.log(regex.test("⛅")); // true - correct
console.log(regex.test("🍌🍀")); // false - correct

Parte C - Otras expresiones regulares

  • Encontré este pero da inconsistencias similares, aunque no es lo mismo /(?:[\u2700-\u27bf]|(?:\ud83c[\udde6-\uddff]){2}|[\ud800-\udbff][\udc00-\udfff]|[\u0023-\u0039]\ufe0f?\u20e3|\u3299|\u3297|\u303d|\u3030|\u24c2|\ud83c[\udd70-\udd71]|\ud83c[\udd7e-\udd7f]|\ud83c\udd8e|\ud83c[\udd91-\udd9a]|\ud83c[\udde6-\uddff]|[\ud83c[\ude01\uddff]|\ud83c[\ude01-\ude02]|\ud83c\ude1a|\ud83c\ude2f|[\ud83c[\ude32\ude02]|\ud83c\ude1a|\ud83c\ude2f|\ud83c[\ude32-\ude3a]|[\ud83c[\ude50\ude3a]|\ud83c[\ude50-\ude51]|\u203c|\u2049|[\u25aa-\u25ab]|\u25b6|\u25c0|[\u25fb-\u25fe]|\u00a9|\u00ae|\u2122|\u2139|\ud83c\udc04|[\u2600-\u26FF]|\u2b05|\u2b06|\u2b07|\u2b1b|\u2b1c|\u2b50|\u2b55|\u231a|\u231b|\u2328|\u23cf|[\u23e9-\u23f3]|[\u23f8-\u23fa]|\ud83c\udccf|\u2934|\u2935|[\u2190-\u21ff])/g:
let regex = /^(?:[\u2700-\u27bf]|(?:\ud83c[\udde6-\uddff]){2}|[\ud800-\udbff][\udc00-\udfff]|[\u0023-\u0039]\ufe0f?\u20e3|\u3299|\u3297|\u303d|\u3030|\u24c2|\ud83c[\udd70-\udd71]|\ud83c[\udd7e-\udd7f]|\ud83c\udd8e|\ud83c[\udd91-\udd9a]|\ud83c[\udde6-\uddff]|[\ud83c[\ude01\uddff]|\ud83c[\ude01-\ude02]|\ud83c\ude1a|\ud83c\ude2f|[\ud83c[\ude32\ude02]|\ud83c\ude1a|\ud83c\ude2f|\ud83c[\ude32-\ude3a]|[\ud83c[\ude50\ude3a]|\ud83c[\ude50-\ude51]|\u203c|\u2049|[\u25aa-\u25ab]|\u25b6|\u25c0|[\u25fb-\u25fe]|\u00a9|\u00ae|\u2122|\u2139|\ud83c\udc04|[\u2600-\u26FF]|\u2b05|\u2b06|\u2b07|\u2b1b|\u2b1c|\u2b50|\u2b55|\u231a|\u231b|\u2328|\u23cf|[\u23e9-\u23f3]|[\u23f8-\u23fa]|\ud83c\udccf|\u2934|\u2935|[\u2190-\u21ff])$/g

console.log(regex.test("5️⃣")); // true - correct
console.log(regex.test("💡")); // false - should be true
console.log(regex.test("🌡️")); // false - should be true
console.log(regex.test("⛅")); // true - correct
console.log(regex.test("🍌🍀")); // false - correct
  • Además, esto se rompe horriblemente (¿la segunda prueba cambia según la primera prueba?)
let regex = /^(?:[\u2700-\u27bf]|(?:\ud83c[\udde6-\uddff]){2}|[\ud800-\udbff][\udc00-\udfff]|[\u0023-\u0039]\ufe0f?\u20e3|\u3299|\u3297|\u303d|\u3030|\u24c2|\ud83c[\udd70-\udd71]|\ud83c[\udd7e-\udd7f]|\ud83c\udd8e|\ud83c[\udd91-\udd9a]|\ud83c[\udde6-\uddff]|[\ud83c[\ude01\uddff]|\ud83c[\ude01-\ude02]|\ud83c\ude1a|\ud83c\ude2f|[\ud83c[\ude32\ude02]|\ud83c\ude1a|\ud83c\ude2f|\ud83c[\ude32-\ude3a]|[\ud83c[\ude50\ude3a]|\ud83c[\ude50-\ude51]|\u203c|\u2049|[\u25aa-\u25ab]|\u25b6|\u25c0|[\u25fb-\u25fe]|\u00a9|\u00ae|\u2122|\u2139|\ud83c\udc04|[\u2600-\u26FF]|\u2b05|\u2b06|\u2b07|\u2b1b|\u2b1c|\u2b50|\u2b55|\u231a|\u231b|\u2328|\u23cf|[\u23e9-\u23f3]|[\u23f8-\u23fa]|\ud83c\udccf|\u2934|\u2935|[\u2190-\u21ff])$/g

console.log(regex.test("⛹🏿‍♂️")); // false
console.log(regex.test("⛅")); // true
let regex = /^(?:[\u2700-\u27bf]|(?:\ud83c[\udde6-\uddff]){2}|[\ud800-\udbff][\udc00-\udfff]|[\u0023-\u0039]\ufe0f?\u20e3|\u3299|\u3297|\u303d|\u3030|\u24c2|\ud83c[\udd70-\udd71]|\ud83c[\udd7e-\udd7f]|\ud83c\udd8e|\ud83c[\udd91-\udd9a]|\ud83c[\udde6-\uddff]|[\ud83c[\ude01\uddff]|\ud83c[\ude01-\ude02]|\ud83c\ude1a|\ud83c\ude2f|[\ud83c[\ude32\ude02]|\ud83c\ude1a|\ud83c\ude2f|\ud83c[\ude32-\ude3a]|[\ud83c[\ude50\ude3a]|\ud83c[\ude50-\ude51]|\u203c|\u2049|[\u25aa-\u25ab]|\u25b6|\u25c0|[\u25fb-\u25fe]|\u00a9|\u00ae|\u2122|\u2139|\ud83c\udc04|[\u2600-\u26FF]|\u2b05|\u2b06|\u2b07|\u2b1b|\u2b1c|\u2b50|\u2b55|\u231a|\u231b|\u2328|\u23cf|[\u23e9-\u23f3]|[\u23f8-\u23fa]|\ud83c\udccf|\u2934|\u2935|[\u2190-\u21ff])$/g;

console.log(regex.test("⛹")); // true
console.log(regex.test("⛅")); // false

¿Hay alguna forma de evitar todo este desastre de emoji / unicode / regex? ¿Son las bibliotecas / apis la única forma? ¿Cómo lo hicieron?

luxluxdev
fuente
1
Ver regex101.com/r/dQEURi/1
Wiktor Stribiżew
2
Personalmente, creo que mantener una expresión regular no es una muy buena idea, a menos que la esté generando a partir de la especificación Unicode . Sin embargo, ya hay bibliotecas que lo están haciendo. Ver emoji-regex y emoji.json .
Jake Holzinger el
¡Gracias Wiktor Stribiżew, que regex funciona perfectamente! ¿Puedo saber cómo o de dónde sacaste esto?
luxluxdev
1
Hay un tiempo y un lugar para las bibliotecas. En mi humilde opinión este es uno de ellos. El costo de mantener una dependencia con sus versiones y tamaño de archivo parece más que compensado por tener a alguien más que resuelva este problema tan complejo por usted.
Chris
1
Re: "cómo lo hacen", la biblioteca que Daniel Vickers enlazó se refiere a: unicode.org/reports/tr29/#Default_Grapheme_Cluster_Table
Chris

Respuestas:

1

Usando esta biblioteca: https://github.com/foliojs/grapheme-breaker intente esto:

var str = "⛹🏿‍♂️";
var Grapheme = require('grapheme-splitter');
var splitter = new Grapheme();
console.log(splitter.splitGraphemes(str).length);

y la longitud debe devolver 1.

Daniel Vickers
fuente
Esta biblioteca es increíble, pero ha estado inactiva durante un año, sin embargo, está inspirada en github.com/foliojs/grapheme-breaker que ha estado activa muy recientemente :) ( eliminé mi comentario anterior porque tenía el enlace incorrecto)
luxluxdev
Gracias por eso, también actualicé el enlace en mi respuesta.
Daniel Vickers
1

Los emojis se especifican en UAX # 51. La propiedad \p{Emoji}debería funcionar, pero no funciona.

Hazlo de la manera difícil. Parse emoji-*.txt:

perl -C -lne'
    if (my ($c) = $_ =~ /^((?:(?:[[:xdigit:]]+ )|[[:xdigit:]]+\.\.)[[:xdigit:]]+)/) {
        if ($c =~ /\.\./) { # ranges
             my ($f, $t) = map { hex } split /\.\./, $c;
             print for map { chr } $f..$t;
        } else { # sequences
             print join "", map { chr hex } split /\s+/, $c;
        }
    }
' emoji-*.txt

Esto nos da una lista separada por una nueva línea de todos los emojis. Usando Regexp :: Assemble :: Comprimido, el resultado es

/^(?:[\u{23EB}\u{23EC}\u{23F0}\u{2607}-\u{260D}\u{260F}\u{2610}\u{2616}\u{2617}\u{2619}-\u{261C}\u{261E}\u{261F}\u{2624}\u{2625}\u{2627}-\u{2629}\u{262B}-\u{262D}\u{2630}-\u{2637}\u{263B}-\u{263F}\u{2643}-\u{2647}\u{2654}-\u{265E}\u{2661}\u{2662}\u{2669}-\u{267A}\u{267C}\u{267D}\u{2680}-\u{2685}\u{2690}\u{2691}\u{269D}-\u{269F}\u{26A2}-\u{26A9}\u{26AC}-\u{26AF}\u{26B2}-\u{26BC}\u{26BF}-\u{26C3}\u{26C6}\u{26C7}\u{26C9}-\u{26CE}\u{26D5}-\u{26E8}\u{26EB}-\u{26EF}\u{26FB}\u{26FC}\u{26FE}-\u{2701}\u{2703}\u{2704}\u{2710}\u{2711}\u{2754}\u{2755}\u{2765}-\u{2767}\u{2795}-\u{2797}\u{1F000}-\u{1F003}\u{1F005}-\u{1F0CE}\u{1F0D0}-\u{1F0FF}\u{1F10D}-\u{1F10F}\u{1F16C}-\u{1F16F}\u{1F191}-\u{1F19A}\u{1F1AD}-\u{1F1E5}\u{1F201}\u{1F203}-\u{1F20F}\u{1F232}-\u{1F236}\u{1F238}-\u{1F23A}\u{1F23C}-\u{1F23F}\u{1F249}-\u{1F30C}\u{1F310}-\u{1F314}\u{1F316}-\u{1F31B}\u{1F31D}-\u{1F320}\u{1F322}\u{1F323}\u{1F32D}-\u{1F335}\u{1F337}-\u{1F377}\u{1F379}-\u{1F37C}\u{1F37E}-\u{1F384}\u{1F386}-\u{1F392}\u{1F394}\u{1F395}\u{1F39C}\u{1F39D}\u{1F3A0}-\u{1F3A6}\u{1F3A8}-\u{1F3AB}\u{1F3AF}-\u{1F3C1}\u{1F3C5}\u{1F3C8}\u{1F3C9}\u{1F3CF}-\u{1F3D3}\u{1F3E1}-\u{1F3EC}\u{1F3EE}-\u{1F3F2}\u{1F3F8}-\u{1F407}\u{1F409}-\u{1F414}\u{1F416}-\u{1F41E}\u{1F420}-\u{1F425}\u{1F427}-\u{1F43E}\u{1F440}\u{1F444}\u{1F445}\u{1F451}\u{1F452}\u{1F454}-\u{1F465}\u{1F479}-\u{1F47B}\u{1F47E}-\u{1F480}\u{1F484}\u{1F488}-\u{1F4A2}\u{1F4A4}-\u{1F4A9}\u{1F4AB}-\u{1F4AF}\u{1F4B1}\u{1F4B2}\u{1F4B4}-\u{1F4BA}\u{1F4BC}-\u{1F4BE}\u{1F4C0}-\u{1F4CA}\u{1F4CC}-\u{1F4D9}\u{1F4DB}-\u{1F4DE}\u{1F4E0}-\u{1F4E3}\u{1F4E7}-\u{1F4E9}\u{1F4EE}-\u{1F4F6}\u{1F4F8}\u{1F4FC}\u{1F4FF}-\u{1F507}\u{1F509}-\u{1F50C}\u{1F50E}-\u{1F511}\u{1F514}-\u{1F53D}\u{1F546}-\u{1F548}\u{1F54B}-\u{1F54E}\u{1F568}-\u{1F56E}\u{1F571}\u{1F572}\u{1F57B}-\u{1F586}\u{1F588}\u{1F589}\u{1F58E}\u{1F58F}\u{1F591}-\u{1F594}\u{1F597}-\u{1F5A3}\u{1F5A6}\u{1F5A7}\u{1F5A9}-\u{1F5B0}\u{1F5B3}-\u{1F5BB}\u{1F5BD}-\u{1F5C1}\u{1F5C5}-\u{1F5D0}\u{1F5D4}-\u{1F5DB}\u{1F5DF}\u{1F5E0}\u{1F5E4}-\u{1F5E7}\u{1F5E9}-\u{1F5EE}\u{1F5F0}-\u{1F5F2}\u{1F5F4}-\u{1F5F9}\u{1F5FB}-\u{1F60F}\u{1F611}-\u{1F644}\u{1F648}-\u{1F64A}\u{1F680}-\u{1F686}\u{1F688}-\u{1F68C}\u{1F68E}-\u{1F690}\u{1F692}\u{1F693}\u{1F695}-\u{1F697}\u{1F699}-\u{1F6A2}\u{1F6A4}-\u{1F6AC}\u{1F6AE}-\u{1F6B1}\u{1F6B3}\u{1F6B7}\u{1F6B8}\u{1F6BB}\u{1F6BD}-\u{1F6BF}\u{1F6C1}-\u{1F6CA}\u{1F6D0}-\u{1F6D4}\u{1F6D6}-\u{1F6DF}\u{1F6E6}-\u{1F6E8}\u{1F6EB}-\u{1F6EF}\u{1F6F1}\u{1F6F2}\u{1F6F4}-\u{1F6F8}\u{1F6FB}-\u{1F6FF}\u{1F774}-\u{1F77F}\u{1F7D5}-\u{1F7FF}\u{1F80C}-\u{1F80F}\u{1F848}-\u{1F84F}\u{1F85A}-\u{1F85F}\u{1F888}-\u{1F88F}\u{1F8AE}-\u{1F8FF}\u{1F90D}\u{1F90E}\u{1F910}-\u{1F917}\u{1F91D}\u{1F920}-\u{1F925}\u{1F927}-\u{1F92F}\u{1F93A}\u{1F940}-\u{1F945}\u{1F947}-\u{1F94B}\u{1F94D}-\u{1F970}\u{1F973}-\u{1F979}\u{1F97C}-\u{1F9B4}\u{1F9B7}\u{1F9BA}\u{1F9BC}-\u{1F9BF}\u{1F9C1}-\u{1F9CC}\u{1F9D0}\u{1F9E0}-\u{1FFFD}\u{E0020}-\u{E007F}]|\u{1F1F2}[\u{1F1E6}\u{1F1E8}-\u{1F1ED}\u{1F1F0}-\u{1F1FF}]?|\u{1F1E7}[\u{1F1E6}\u{1F1E7}\u{1F1E9}-\u{1F1EF}\u{1F1F1}-\u{1F1F4}\u{1F1F6}-\u{1F1F9}\u{1F1FB}\u{1F1FC}\u{1F1FE}\u{1F1FF}]?|\u{1F1F8}[\u{1F1E6}-\u{1F1EA}\u{1F1EC}-\u{1F1F4}\u{1F1F7}-\u{1F1F9}\u{1F1FB}\u{1F1FD}-\u{1F1FF}]?|\u{1F1E8}[\u{1F1E6}\u{1F1E8}\u{1F1E9}\u{1F1EB}-\u{1F1EE}\u{1F1F0}-\u{1F1F5}\u{1F1F7}\u{1F1FA}-\u{1F1FF}]?|\u{1F1EC}[\u{1F1E6}\u{1F1E7}\u{1F1E9}-\u{1F1EE}\u{1F1F1}-\u{1F1F3}\u{1F1F5}-\u{1F1FA}\u{1F1FC}\u{1F1FE}]?|\u{1F1E6}[\u{1F1E8}-\u{1F1EC}\u{1F1EE}\u{1F1F1}\u{1F1F2}\u{1F1F4}\u{1F1F6}-\u{1F1FA}\u{1F1FC}\u{1F1FD}\u{1F1FF}]?|\u{1F1F9}[\u{1F1E6}\u{1F1E8}\u{1F1E9}\u{1F1EB}-\u{1F1ED}\u{1F1EF}-\u{1F1F4}\u{1F1F7}\u{1F1F9}\u{1F1FB}\u{1F1FC}\u{1F1FF}]?|\u{1F1F5}[\u{1F1E6}\u{1F1EA}-\u{1F1ED}\u{1F1F0}-\u{1F1F3}\u{1F1F7}-\u{1F1F9}\u{1F1FC}\u{1F1FE}]?|\u{1F1F3}[\u{1F1E6}\u{1F1E8}\u{1F1EA}-\u{1F1EC}\u{1F1EE}\u{1F1F1}\u{1F1F4}\u{1F1F5}\u{1F1F7}\u{1F1FA}\u{1F1FF}]?|\u{1F1EE}[\u{1F1E8}-\u{1F1EA}\u{1F1F1}-\u{1F1F4}\u{1F1F6}-\u{1F1F9}]?|\u{1F1F0}[\u{1F1EA}\u{1F1EC}-\u{1F1EE}\u{1F1F2}\u{1F1F3}\u{1F1F5}\u{1F1F7}\u{1F1FC}\u{1F1FE}\u{1F1FF}]?|\u{1F1F1}[\u{1F1E6}-\u{1F1E8}\u{1F1EE}\u{1F1F0}\u{1F1F7}-\u{1F1FB}\u{1F1FE}]?|\u{1F1EA}[\u{1F1E6}\u{1F1E8}\u{1F1EA}\u{1F1EC}\u{1F1ED}\u{1F1F7}-\u{1F1FA}]?|\u{26F9}[\u{200D}\u{FE0E}\u{FE0F}\u{1F3FB}-\u{1F3FF}]?|\u{1F3C4}[\u{200D}\u{FE0E}\u{FE0F}\u{1F3FB}-\u{1F3FF}]?|\u{1F3CA}[\u{200D}\u{FE0E}\u{FE0F}\u{1F3FB}-\u{1F3FF}]?|\u{1F3CB}[\u{200D}\u{FE0E}\u{FE0F}\u{1F3FB}-\u{1F3FF}]?|\u{1F3CC}[\u{200D}\u{FE0E}\u{FE0F}\u{1F3FB}-\u{1F3FF}]?|\u{1F575}[\u{200D}\u{FE0E}\u{FE0F}\u{1F3FB}-\u{1F3FF}]?|\u{270C}[\u{FE0E}\u{FE0F}\u{1F3FB}-\u{1F3FF}]?|\u{270D}[\u{FE0E}\u{FE0F}\u{1F3FB}-\u{1F3FF}]?|\u{1F1E9}[\u{1F1EA}\u{1F1EC}\u{1F1EF}\u{1F1F0}\u{1F1F2}\u{1F1F4}\u{1F1FF}]?|\u{1F1FA}[\u{1F1E6}\u{1F1EC}\u{1F1F2}\u{1F1F3}\u{1F1F8}\u{1F1FE}\u{1F1FF}]?|\u{1F1FB}[\u{1F1E6}\u{1F1E8}\u{1F1EA}\u{1F1EC}\u{1F1EE}\u{1F1F3}\u{1F1FA}]?|\u{1F3C2}[\u{FE0E}\u{FE0F}\u{1F3FB}-\u{1F3FF}]?|\u{1F442}[\u{FE0E}\u{FE0F}\u{1F3FB}-\u{1F3FF}]?|\u{1F446}[\u{FE0E}\u{FE0F}\u{1F3FB}-\u{1F3FF}]?|\u{1F447}[\u{FE0E}\u{FE0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}\u{FE0F}]?|\u{1F554}[\u{FE0E}\u{FE0F}]?|\u{1F555}[\u{FE0E}\u{FE0F}]?|\u{1F556}[\u{FE0E}\u{FE0F}]?|\u{1F557}[\u{FE0E}\u{FE0F}]?|\u{1F558}[\u{FE0E}\u{FE0F}]?|\u{1F559}[\u{FE0E}\u{FE0F}]?|\u{1F55A}[\u{FE0E}\u{FE0F}]?|\u{1F55B}[\u{FE0E}\u{FE0F}]?|\u{1F55C}[\u{FE0E}\u{FE0F}]?|\u{1F55D}[\u{FE0E}\u{FE0F}]?|\u{1F55E}[\u{FE0E}\u{FE0F}]?|\u{1F55F}[\u{FE0E}\u{FE0F}]?|\u{1F560}[\u{FE0E}\u{FE0F}]?|\u{1F561}[\u{FE0E}\u{FE0F}]?|\u{1F562}[\u{FE0E}\u{FE0F}]?|\u{1F563}[\u{FE0E}\u{FE0F}]?|\u{1F564}[\u{FE0E}\u{FE0F}]?|\u{1F565}[\u{FE0E}\u{FE0F}]?|\u{1F566}[\u{FE0E}\u{FE0F}]?|\u{1F567}[\u{FE0E}\u{FE0F}]?|\u{1F56F}[\u{FE0E}\u{FE0F}]?|\u{1F570}[\u{FE0E}\u{FE0F}]?|\u{1F573}[\u{FE0E}\u{FE0F}]?|\u{1F576}[\u{FE0E}\u{FE0F}]?|\u{1F577}[\u{FE0E}\u{FE0F}]?|\u{1F578}[\u{FE0E}\u{FE0F}]?|\u{1F579}[\u{FE0E}\u{FE0F}]?|\u{1F58A}[\u{FE0E}\u{FE0F}]?|\u{1F58B}[\u{FE0E}\u{FE0F}]?|\u{1F58C}[\u{FE0E}\u{FE0F}]?|\u{1F58D}[\u{FE0E}\u{FE0F}]?|\u{1F5B1}[\u{FE0E}\u{FE0F}]?|\u{1F5B2}[\u{FE0E}\u{FE0F}]?|\u{1F5C2}[\u{FE0E}\u{FE0F}]?|\u{1F5C3}[\u{FE0E}\u{FE0F}]?|\u{1F5C4}[\u{FE0E}\u{FE0F}]?|\u{1F5D1}[\u{FE0E}\u{FE0F}]?|\u{1F5D2}[\u{FE0E}\u{FE0F}]?|\u{1F5D3}[\u{FE0E}\u{FE0F}]?|\u{1F5DC}[\u{FE0E}\u{FE0F}]?|\u{1F5DD}[\u{FE0E}\u{FE0F}]?|\u{1F5DE}[\u{FE0E}\u{FE0F}]?|\u{1F5FA}[\u{FE0E}\u{FE0F}]?|\u{1F610}[\u{FE0E}\u{FE0F}]?|\u{1F687}[\u{FE0E}\u{FE0F}]?|\u{1F68D}[\u{FE0E}\u{FE0F}]?|\u{1F691}[\u{FE0E}\u{FE0F}]?|\u{1F694}[\u{FE0E}\u{FE0F}]?|\u{1F698}[\u{FE0E}\u{FE0F}]?|\u{1F6AD}[\u{FE0E}\u{FE0F}]?|\u{1F6B2}[\u{FE0E}\u{FE0F}]?|\u{1F6B9}[\u{FE0E}\u{FE0F}]?|\u{1F6BA}[\u{FE0E}\u{FE0F}]?|\u{1F6BC}[\u{FE0E}\u{FE0F}]?|\u{1F6CB}[\u{FE0E}\u{FE0F}]?|\u{1F6CD}[\u{FE0E}\u{FE0F}]?|\u{1F6CE}[\u{FE0E}\u{FE0F}]?|\u{1F6CF}[\u{FE0E}\u{FE0F}]?|\u{1F6E0}[\u{FE0E}\u{FE0F}]?|\u{1F6E1}[\u{FE0E}\u{FE0F}]?|\u{1F6E2}[\u{FE0E}\u{FE0F}]?|\u{1F6E3}[\u{FE0E}\u{FE0F}]?|\u{1F6E4}[\u{FE0E}\u{FE0F}]?|\u{1F6E5}[\u{FE0E}\u{FE0F}]?|\uA9[\u{FE0E}\u{FE0F}]|\uAE[\u{FE0E}\u{FE0F}]|\u{203C}[\u{FE0E}\u{FE0F}]|\u{2049}[\u{FE0E}\u{FE0F}]|\u{2122}[\u{FE0E}\u{FE0F}]|\u{2139}[\u{FE0E}\u{FE0F}]|\u{2328}[\u{FE0E}\u{FE0F}]|\u{23CF}[\u{FE0E}\u{FE0F}]|\u{24C2}[\u{FE0E}\u{FE0F}]|\u{25B6}[\u{FE0E}\u{FE0F}]|\u{25C0}[\u{FE0E}\u{FE0F}]|\u{260E}[\u{FE0E}\u{FE0F}]|\u{2611}[\u{FE0E}\u{FE0F}]|\u{2618}[\u{FE0E}\u{FE0F}]|\u{2620}[\u{FE0E}\u{FE0F}]|\u{2626}[\u{FE0E}\u{FE0F}]|\u{262A}[\u{FE0E}\u{FE0F}]|\u{2640}[\u{FE0E}\u{FE0F}]|\u{2642}[\u{FE0E}\u{FE0F}]|\u{265F}[\u{FE0E}\u{FE0F}]|\u{2660}[\u{FE0E}\u{FE0F}]|\u{2663}[\u{FE0E}\u{FE0F}]|\u{2668}[\u{FE0E}\u{FE0F}]|\u{267B}[\u{FE0E}\u{FE0F}]|\u{267E}[\u{FE0E}\u{FE0F}]|\u{267F}[\u{FE0E}\u{FE0F}]|\u{2695}[\u{FE0E}\u{FE0F}]|\u{2699}[\u{FE0E}\u{FE0F}]|\u{26C8}[\u{FE0E}\u{FE0F}]|\u{26D1}[\u{FE0E}\u{FE0F}]|\u{26FD}[\u{FE0E}\u{FE0F}]|\u{2702}[\u{FE0E}\u{FE0F}]|\u{270F}[\u{FE0E}\u{FE0F}]|\u{2712}[\u{FE0E}\u{FE0F}]|\u{2714}[\u{FE0E}\u{FE0F}]|\u{2716}[\u{FE0E}\u{FE0F}]|\u{271D}[\u{FE0E}\u{FE0F}]|\u{2721}[\u{FE0E}\u{FE0F}]|\u{2744}[\u{FE0E}\u{FE0F}]|\u{2747}[\u{FE0E}\u{FE0F}]|\u{2757}[\u{FE0E}\u{FE0F}]|\u{27A1}[\u{FE0E}\u{FE0F}]|\u{2B50}[\u{FE0E}\u{FE0F}]|\u{2B55}[\u{FE0E}\u{FE0F}]|\u{3030}[\u{FE0E}\u{FE0F}]|\u{303D}[\u{FE0E}\u{FE0F}]|\u{3297}[\u{FE0E}\u{FE0F}]|\u{3299}[\u{FE0E}\u{FE0F}]|\u{1F004}[\u{FE0E}\u{FE0F}]|\u{1F21A}[\u{FE0E}\u{FE0F}]|\u{1F22F}[\u{FE0E}\u{FE0F}]|\u{1F587}[\u{FE0E}\u{FE0F}]|\u{1F5A5}[\u{FE0E}\u{FE0F}]|\u{1F5A8}[\u{FE0E}\u{FE0F}]|\u{1F5BC}[\u{FE0E}\u{FE0F}]|\u{1F5E1}[\u{FE0E}\u{FE0F}]|\u{1F5E3}[\u{FE0E}\u{FE0F}]|\u{1F5E8}[\u{FE0E}\u{FE0F}]|\u{1F5EF}[\u{FE0E}\u{FE0F}]|\u{1F5F3}[\u{FE0E}\u{FE0F}]|\u{1F6E9}[\u{FE0E}\u{FE0F}]|\u{1F6F0}[\u{FE0E}\u{FE0F}]|\u{1F6F3}[\u{FE0E}\u{FE0F}]|\u{1F1F4}\u{1F1F2}?|\u{1F1F6}\u{1F1E6}?|\u{1F1FD}\u{1F1F0}?|\u{1F46F}\u{200D}?|\u{1F93C}\u{200D}?|\u{1F9DE}\u{200D}?|\u{1F9DF}\u{200D}?)$/u
daxim
fuente
Gracias por la explicación, realmente útil! Sin embargo, parece que no puedo hacer que la expresión regular resultante funcione, ya que produce errores en cualquier lugar donde lo intente.
luxluxdev