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javascriptregexmatchstring-matching

Javascript regular expression match anything but

I want a regular expression that matches anything but '{{' or '{:'

test cases:

var t1= abcd;
var t2= abcd{{;
var t3= abcd{:efg;

I want them to have the output when using t.match(REGEX):

//"abcd".match(REGEX) -->      ["abcd"];
//"abcd{{.match(REGEX)"-->     ["abcd","{{"]
//"abcd{:efg".match(REGEX)-->  ["abcd","{:"]

I've tried :

///^[\s\S]+[^{{|{:]/           //the the match returns null
///^[\s\S]*?(?={{|{:)/         //but for t1-->matches null
///^[\s\S]+[^{{|{:]+[\s\S]*/   //but for t3--> returns abcd{{efg

but they always return:

//"abcd".match(REGEX) --> null

Is there a way for it to return ["abcd"] for even if there is no "{{" or "{:" character?

Solution

  • You can use 

    ^((?:[^{\n])+)({{|{:)*

    where
    ((?:[^{\n])+) - first group before new line or { ,
    ({{|{:)* - optional {{ or {: group.

    See https://regex101.com/r/3UOewQ/4 that I used to verify, that it works