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Ok so if I have this pattern:
ab&bc&cd&de&ef
And I need to replace all the ampersands except for the first one with commas so it ends up looking like this:
ab&bc,cd,de,ef
Its probably very simple but for the life of me I can’t get this one figured out…
It’s not that easy because JavaScript doesn’t do lookbehind.
Try
Explanation:
(Capture the following into backreference$1:^(?:[^&]+&[^&]+)Start-of-string, followed by two fields separated by an ampersand|or[^&]+one field (a field being one or more non-ampersand characters).)End of capturing group&match an ampersand.That way, the first ampersand will be skipped in the match. If you need to handle empty fields, then use