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Other References

CSSStyleDeclaration JS Conversion


JavaScript RegExp-groep [^abc]


Voorbeeld

Doen 'n globale soektog vir karakters NIE binne die hakies nie [h]:

let text = "Is this all there is?";
let pattern = /[^h]/g;

Definisie en gebruik

Hakies [^abc] spesifiseer passings vir enige karakter NIE tussen die hakies nie.

Hakies kan enkele karakters, groepe of karakterreekse definieer:

[^abc]Nie enige van die karakters a, b of c nie
[^AZ]Nie enige karakter van hoofletter A tot hoofletter Z nie
[^az]Nie enige karakter van kleinletter a tot kleinletter z nie
[^Az]Nie enige karakter van hoofletter A tot kleinletter z nie

Blaaierondersteuning

/[^abc]/is 'n ECMAScript1 (ES1) kenmerk.

ES1 (JavaScript 1997) word ten volle ondersteun in alle blaaiers:

Chrome IE Edge Firefox Safari Opera
Yes Yes Yes Yes Yes Yes

Sintaksis

new RegExp("[^xyz]")

or simply:

/[^xyz]/

Sintaksis met wysigers

new RegExp("[^xyz]", "g")

or simply:

/[^xyz]/g


Wenk

Gebruik die [abc] uitdrukking om enige karakter TUSSEN die hakies te vind.

Meer voorbeelde

Voorbeeld

Doen 'n globale soektog vir karakters wat NIE "i" en "s" in 'n string is nie:

let text = "Do you know if this is all there is?";
let pattern = /[^is]/gi;

Voorbeeld

Doen 'n globale soektog vir die karakterspan NIE van kleinletter "a" tot kleinletters "h" in 'n string nie:

let text = "Is this all there is?";
let pattern = /[^a-h]/g;

Voorbeeld

Doen 'n globale soektog vir die karakterspan NIE van hoofletter "A" na hoofletter "E" nie:

let text = "I SCREAM FOR ICE CREAM!";
let pattern = /[^A-E]/g;

Voorbeeld

Doen 'n globale soektog vir die karakterspan NIE van hoofletter "A" na kleinletter "e" nie:

let text = "I Scream For Ice Cream, is that OK?!";
let pattern = /[^A-e]/g;

Wenk: Gebruik die [abc] uitdrukking om enige karakter tussen die hakies te vind.

Voorbeeld

Doen 'n globale, hoofletter-onsensitiewe soektog vir die karakterspan wat NIE [as] is nie:

let text = "I Scream For Ice Cream, is that OK?!";
let pattern = /[^a-s]/gi;

Soekmetodes vir gereelde uitdrukkings

In JavaScript kan 'n gewone uitdrukking tekssoektog met verskillende metodes gedoen word.

Met 'n patroon as 'n gereelde uitdrukking, is hierdie die mees algemene metodes:

VoorbeeldBeskrywing
text.match( patroon )Die String-metode pas()
text.search( patroon )Die String metode soek()
patroon .exec(teks)Die RexExp-metode exec()
patroon .toets(teks)Die RegExp metode toets()