javascript - How to Grab Selected str.replace Value From Regex in JS -


ok, understand how title might bit confusing, let me elaborate. start making bbcode input section. transfer code bbcode html. problem having minimal issues. let me post code before continue:

var newer = $('#my_textarea').val().replace(/\[b\]/gi, '<b>');

now let me this, replaces [b] tags correctly <b> tags. problem not know how tags. have tried shortening code using this:

var newer = $('#my_textarea').val().replace(/\[(?:b|u|i)\]/gi, '<???>');

then replace tags (bold, underline, , italicize) correct html tags. yet how go doings this? how replace html tag the bbcode tag found? mean part of regex (?:b|u|i) selects of 3 letters, how add same letter html tag? understand problem is? :) please help, thank you!!

use $2 second selected group

var newer = $('#my_textarea').val().replace(/(\[(b|u|i)\])/gi, '<$2>');

a site understanding , creating regex: https://regex101.com/

to catch [b],[u],[i] , [\b],[\u],[\i] use following:

var newer = $('#my_textarea').val().replace(/(\[((\/?)(b|u|i))\])/gi, '<$2>');

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