CODEWITHSUNDEEP
regex
coool
coool

Reputation: 8297

how to match non-word+word boundary in javascript regex

how to match non-word+word boundary in javascript regex.

"This is, a beautiful island".match(/\bis,\b/)

In the above case why does not the regex engine match till is, and assume the space to be a word boundary without moving further.

Upvotes: 1

Views: 134

Answers (2)

revo
revo

Reputation: 48761

\b asserts a position where a word character \w meets a non-word character \W or vice versa. Comma is a non-word character and space is as well. So \b never matches a position between a comma and a space.

Also you forgot to put ending delimiter in your regex.

Upvotes: 2

anubhava
anubhava

Reputation: 786349

You can use \B after comma that matches where \b doesn't since comma is not considered a word character.

console.log( "This is, a beautiful island".match(/\bis,\B/) )
//=> ["is,"]

Upvotes: 1

Related Questions