javascript - How to ignore certain characters in regular expression? -


i have regex pattern working in javascript. problem don't want pick '|' or '&' characters. here have @ moment.

/^!?[^:(){},'[]+-]+$|[a-za-z0-9-_]+/

can tell me need stop regex picking these 2 characters part of this? thanks!

you can use negative lookahead avoid matching these characters in input:

/^(?![^|&]*[|&])!?[^:(){},'[]+-]+$|[a-za-z0-9-_]+/

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