Get characters which are not in brackets REGEX











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I'm basically working on custom query building. I've designed the pattern as field_set and sub_field_sets. A sample Query:



({e:3}.{f:44}.{f:2}) + ( 

                   ({e:3}.{f:44}.{f:3}) + ({e:3}.{f:44}.{f:4}) 

                        ) - ({e:3}.{f:44}.{f:5})


I want to get all operators from root using REGEX. Which in this case should result ['+', '-'] and NOT ['+', '+', '-']






php regex regex-negation regex-group regex-recursion







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  • It's quite unclear what you're asking. You need to provide more examples, give us the list of possible operators, etc. From what you posted, using strpos($query, $operator) !== false for each operator should work, at least...
    – Jeto
    Nov 22 at 7:44

















up vote
0
down vote

favorite












I'm basically working on custom query building. I've designed the pattern as field_set and sub_field_sets. A sample Query:



({e:3}.{f:44}.{f:2}) + ( 

                   ({e:3}.{f:44}.{f:3}) + ({e:3}.{f:44}.{f:4}) 

                        ) - ({e:3}.{f:44}.{f:5})


I want to get all operators from root using REGEX. Which in this case should result ['+', '-'] and NOT ['+', '+', '-']






php regex regex-negation regex-group regex-recursion







share|improve this question






















  • It's quite unclear what you're asking. You need to provide more examples, give us the list of possible operators, etc. From what you posted, using strpos($query, $operator) !== false for each operator should work, at least...
    – Jeto
    Nov 22 at 7:44















up vote
0
down vote

favorite









up vote
0
down vote

favorite











I'm basically working on custom query building. I've designed the pattern as field_set and sub_field_sets. A sample Query:



({e:3}.{f:44}.{f:2}) + ( 

                   ({e:3}.{f:44}.{f:3}) + ({e:3}.{f:44}.{f:4}) 

                        ) - ({e:3}.{f:44}.{f:5})


I want to get all operators from root using REGEX. Which in this case should result ['+', '-'] and NOT ['+', '+', '-']






php regex regex-negation regex-group regex-recursion







share|improve this question













I'm basically working on custom query building. I've designed the pattern as field_set and sub_field_sets. A sample Query:



({e:3}.{f:44}.{f:2}) + ( 

                   ({e:3}.{f:44}.{f:3}) + ({e:3}.{f:44}.{f:4}) 

                        ) - ({e:3}.{f:44}.{f:5})


I want to get all operators from root using REGEX. Which in this case should result ['+', '-'] and NOT ['+', '+', '-']






php regex regex-negation regex-group regex-recursion




php regex regex-negation regex-group regex-recursion






share|improve this question













share|improve this question











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asked Nov 22 at 7:31









Sarmad

256




256












  • It's quite unclear what you're asking. You need to provide more examples, give us the list of possible operators, etc. From what you posted, using strpos($query, $operator) !== false for each operator should work, at least...
    – Jeto
    Nov 22 at 7:44




















  • It's quite unclear what you're asking. You need to provide more examples, give us the list of possible operators, etc. From what you posted, using strpos($query, $operator) !== false for each operator should work, at least...
    – Jeto
    Nov 22 at 7:44


















It's quite unclear what you're asking. You need to provide more examples, give us the list of possible operators, etc. From what you posted, using strpos($query, $operator) !== false for each operator should work, at least...
– Jeto
Nov 22 at 7:44






It's quite unclear what you're asking. You need to provide more examples, give us the list of possible operators, etc. From what you posted, using strpos($query, $operator) !== false for each operator should work, at least...
– Jeto
Nov 22 at 7:44














1 Answer
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This works on given sample: 



([+-])(?![^+)-]+)s*))





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  • You can shorten your regex a bit with removing the escapes for + and - in character classes. They are not required if these are only characters in the character class.
    – Asunez
    Nov 22 at 8:33










  • true - edited :)
    – Khazul
    Nov 22 at 8:37










  • You missed slash in [^+-)] for even one more byte saved :P Just move - as last character in character class :P
    – Asunez
    Nov 22 at 9:09











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1 Answer
1






active

oldest

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1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
0
down vote













This works on given sample: 



([+-])(?![^+)-]+)s*))





share|improve this answer























  • You can shorten your regex a bit with removing the escapes for + and - in character classes. They are not required if these are only characters in the character class.
    – Asunez
    Nov 22 at 8:33










  • true - edited :)
    – Khazul
    Nov 22 at 8:37










  • You missed slash in [^+-)] for even one more byte saved :P Just move - as last character in character class :P
    – Asunez
    Nov 22 at 9:09















up vote
0
down vote













This works on given sample: 



([+-])(?![^+)-]+)s*))





share|improve this answer























  • You can shorten your regex a bit with removing the escapes for + and - in character classes. They are not required if these are only characters in the character class.
    – Asunez
    Nov 22 at 8:33










  • true - edited :)
    – Khazul
    Nov 22 at 8:37










  • You missed slash in [^+-)] for even one more byte saved :P Just move - as last character in character class :P
    – Asunez
    Nov 22 at 9:09













up vote
0
down vote










up vote
0
down vote









This works on given sample: 



([+-])(?![^+)-]+)s*))





share|improve this answer














This works on given sample: 



([+-])(?![^+)-]+)s*))






share|improve this answer














share|improve this answer



share|improve this answer








edited Nov 22 at 9:12

























answered Nov 22 at 7:45









Khazul

1566




1566












  • You can shorten your regex a bit with removing the escapes for + and - in character classes. They are not required if these are only characters in the character class.
    – Asunez
    Nov 22 at 8:33










  • true - edited :)
    – Khazul
    Nov 22 at 8:37










  • You missed slash in [^+-)] for even one more byte saved :P Just move - as last character in character class :P
    – Asunez
    Nov 22 at 9:09


















  • You can shorten your regex a bit with removing the escapes for + and - in character classes. They are not required if these are only characters in the character class.
    – Asunez
    Nov 22 at 8:33










  • true - edited :)
    – Khazul
    Nov 22 at 8:37










  • You missed slash in [^+-)] for even one more byte saved :P Just move - as last character in character class :P
    – Asunez
    Nov 22 at 9:09
















You can shorten your regex a bit with removing the escapes for + and - in character classes. They are not required if these are only characters in the character class.
– Asunez
Nov 22 at 8:33




You can shorten your regex a bit with removing the escapes for + and - in character classes. They are not required if these are only characters in the character class.
– Asunez
Nov 22 at 8:33












true - edited :)
– Khazul
Nov 22 at 8:37




true - edited :)
– Khazul
Nov 22 at 8:37












You missed slash in [^+-)] for even one more byte saved :P Just move - as last character in character class :P
– Asunez
Nov 22 at 9:09




You missed slash in [^+-)] for even one more byte saved :P Just move - as last character in character class :P
– Asunez
Nov 22 at 9:09


















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