I have to parse all the text in a paranthesis but not the one that contains "GST"
e.g:
(AUSTRALIAN RED CROSS – ATHERTON)
(Total GST for this Invoice $1,104.96)
today for a quote (07) 55394226 − [email protected] − this applies to your Nerang services.
expected parsed value:
AUSTRALIAN RED CROSS – ATHERTON
I am trying:
^\(((?!GST).)*$
But its only matching the value and not grouping correctly.
https://regex101.com/r/HndrUv/1
What would be the correct regex for the same?
CodePudding user response：
This regex should work to get the expected string:
^\((?!.*GST)(.*)\)$
It first checks if it does not contain the regular expression *GST. If true, it then captures the entire text.
(?!*GST)(.*)
All that is then surrounded by \( and \) to leave it out of the capturing group.
\((?!.*GST)(.*)\)
Finally you add the BOL and EOL symbols and you get the result.
^\((?!.*GST)(.*)\)$
The expected value is saved in the first capture group (.*).
CodePudding user response：
You can use
^\((?![^()]*\bGST\b)([^()]*)\)$
See the regex demo. Details:
^- start of string\(- a(char(?![^()]*\bGST\b)- a negative lookahead that fails the match if, immediately to the right of the current location, there are zero or more chars other than)and(and thenGSTas a whole word (remove\bs if you do not need whole word matching)([^()]*)- Group 1: any zero or more chars other than)and(\)- a)char$- end of string
Bonus:
If substrings in longer texts need to be matched, too, you need to remove ^ and $ anchors in the above regex.