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Regex search fails
A comprehensive regex for phone number validationHow to “inverse match” with regex?How to import a module given its name?How to return multiple values from a function?Converting user input string to regular expressionRegEx match open tags except XHTML self-contained tagsPython progression path - From apprentice to guruGreedy vs. Reluctant vs. Possessive QuantifiersReplace only some groups with RegexGrep regex NOT containing string
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;
I'm using boolean logic for my regex search but it's not working. Specifically, the "and not" part of the expression is not working.
Example: Gi3/3 should match, but Gi3/3(P) should NOT match.
for line in infile:
int = re.search(r"Gid/.+", line, flags=re.IGNORECASE) or re.search(r"Ethd/.+", line) and not re.search(r"^Gid/.+(P)$", line)
When above code is executed, I see matches on Gi3/3(P) and I don't expect this.
python regex python-3.x
edited Mar 24 at 17:07
C. Peck
960324
asked Mar 24 at 15:32
Chuck SlaytonChuck Slayton
535
add a comment |
I'm using boolean logic for my regex search but it's not working. Specifically, the "and not" part of the expression is not working.
Example: Gi3/3 should match, but Gi3/3(P) should NOT match.
for line in infile:
int = re.search(r"Gid/.+", line, flags=re.IGNORECASE) or re.search(r"Ethd/.+", line) and not re.search(r"^Gid/.+(P)$", line)
When above code is executed, I see matches on Gi3/3(P) and I don't expect this.
python regex python-3.x
edited Mar 24 at 17:07
C. Peck
960324
asked Mar 24 at 15:32
Chuck SlaytonChuck Slayton
535
add a comment |
I'm using boolean logic for my regex search but it's not working. Specifically, the "and not" part of the expression is not working.
Example: Gi3/3 should match, but Gi3/3(P) should NOT match.
for line in infile:
int = re.search(r"Gid/.+", line, flags=re.IGNORECASE) or re.search(r"Ethd/.+", line) and not re.search(r"^Gid/.+(P)$", line)
When above code is executed, I see matches on Gi3/3(P) and I don't expect this.
python regex python-3.x
edited Mar 24 at 17:07
C. Peck
960324
asked Mar 24 at 15:32
Chuck SlaytonChuck Slayton
535
I'm using boolean logic for my regex search but it's not working. Specifically, the "and not" part of the expression is not working.
Example: Gi3/3 should match, but Gi3/3(P) should NOT match.
for line in infile:
int = re.search(r"Gid/.+", line, flags=re.IGNORECASE) or re.search(r"Ethd/.+", line) and not re.search(r"^Gid/.+(P)$", line)
When above code is executed, I see matches on Gi3/3(P) and I don't expect this.
python regex python-3.x
python regex python-3.x
edited Mar 24 at 17:07
C. Peck
960324
asked Mar 24 at 15:32
Chuck SlaytonChuck Slayton
535
edited Mar 24 at 17:07
C. Peck
960324
asked Mar 24 at 15:32
Chuck SlaytonChuck Slayton
535
edited Mar 24 at 17:07
C. Peck
960324
edited Mar 24 at 17:07
C. Peck
960324
edited Mar 24 at 17:07
C. Peck
960324
960324
asked Mar 24 at 15:32
Chuck SlaytonChuck Slayton
535
asked Mar 24 at 15:32
Chuck SlaytonChuck Slayton
535
asked Mar 24 at 15:32
Chuck SlaytonChuck Slayton
535
535
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
remove '+' from your regex
for line in infile:
int = re.search(r"Gid/.", line, flags=re.IGNORECASE) or re.search(r"Ethd/.", line) and not re.search(r"^Gid/.(P)$", line)
answered Mar 24 at 16:32
Sharif ChowdhurySharif Chowdhury
1345
You know, funny thing is your solution actually worked, but whoever voted you down probably would have liked to have seen the optimal answer.
– FailSafe
Mar 25 at 5:59
My intention was to keep your logic same.
– Sharif Chowdhury
Mar 25 at 6:01
Trust me, I know. Personally, some people here get a bit of pleasure pushing that downvote button. I didn't and wouldn't have - I see exactly what you did and I personally like it, but I have to acknowledge that the regex would still easily be broken with little nuance.
– FailSafe
Mar 25 at 6:03
add a comment |
You can have one reguar expression with lookahead that is catching all three conditions:
re.search(r"(Gi|Eth)d/d+(?=>D|$)", line, flags=re.IGNORECASE)
answered Mar 24 at 20:00
DYZDYZ
30k62354
The question was kind of badly asked especially in light of the accepted answer
– FailSafe
Mar 25 at 6:01
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
remove '+' from your regex
for line in infile:
int = re.search(r"Gid/.", line, flags=re.IGNORECASE) or re.search(r"Ethd/.", line) and not re.search(r"^Gid/.(P)$", line)
answered Mar 24 at 16:32
Sharif ChowdhurySharif Chowdhury
1345
You know, funny thing is your solution actually worked, but whoever voted you down probably would have liked to have seen the optimal answer.
– FailSafe
Mar 25 at 5:59
My intention was to keep your logic same.
– Sharif Chowdhury
Mar 25 at 6:01
Trust me, I know. Personally, some people here get a bit of pleasure pushing that downvote button. I didn't and wouldn't have - I see exactly what you did and I personally like it, but I have to acknowledge that the regex would still easily be broken with little nuance.
– FailSafe
Mar 25 at 6:03
add a comment |
remove '+' from your regex
for line in infile:
int = re.search(r"Gid/.", line, flags=re.IGNORECASE) or re.search(r"Ethd/.", line) and not re.search(r"^Gid/.(P)$", line)
answered Mar 24 at 16:32
Sharif ChowdhurySharif Chowdhury
1345
You know, funny thing is your solution actually worked, but whoever voted you down probably would have liked to have seen the optimal answer.
– FailSafe
Mar 25 at 5:59
My intention was to keep your logic same.
– Sharif Chowdhury
Mar 25 at 6:01
Trust me, I know. Personally, some people here get a bit of pleasure pushing that downvote button. I didn't and wouldn't have - I see exactly what you did and I personally like it, but I have to acknowledge that the regex would still easily be broken with little nuance.
– FailSafe
Mar 25 at 6:03
add a comment |
remove '+' from your regex
for line in infile:
int = re.search(r"Gid/.", line, flags=re.IGNORECASE) or re.search(r"Ethd/.", line) and not re.search(r"^Gid/.(P)$", line)
answered Mar 24 at 16:32
Sharif ChowdhurySharif Chowdhury
1345
remove '+' from your regex
for line in infile:
int = re.search(r"Gid/.", line, flags=re.IGNORECASE) or re.search(r"Ethd/.", line) and not re.search(r"^Gid/.(P)$", line)
answered Mar 24 at 16:32
Sharif ChowdhurySharif Chowdhury
1345
answered Mar 24 at 16:32
Sharif ChowdhurySharif Chowdhury
1345
answered Mar 24 at 16:32
Sharif ChowdhurySharif Chowdhury
1345
answered Mar 24 at 16:32
Sharif ChowdhurySharif Chowdhury
1345
1345
You know, funny thing is your solution actually worked, but whoever voted you down probably would have liked to have seen the optimal answer.
– FailSafe
Mar 25 at 5:59
My intention was to keep your logic same.
– Sharif Chowdhury
Mar 25 at 6:01
Trust me, I know. Personally, some people here get a bit of pleasure pushing that downvote button. I didn't and wouldn't have - I see exactly what you did and I personally like it, but I have to acknowledge that the regex would still easily be broken with little nuance.
– FailSafe
Mar 25 at 6:03
add a comment |
You know, funny thing is your solution actually worked, but whoever voted you down probably would have liked to have seen the optimal answer.
– FailSafe
Mar 25 at 5:59
My intention was to keep your logic same.
– Sharif Chowdhury
Mar 25 at 6:01
Trust me, I know. Personally, some people here get a bit of pleasure pushing that downvote button. I didn't and wouldn't have - I see exactly what you did and I personally like it, but I have to acknowledge that the regex would still easily be broken with little nuance.
– FailSafe
Mar 25 at 6:03
You know, funny thing is your solution actually worked, but whoever voted you down probably would have liked to have seen the optimal answer.
– FailSafe
Mar 25 at 5:59
You know, funny thing is your solution actually worked, but whoever voted you down probably would have liked to have seen the optimal answer.
– FailSafe
Mar 25 at 5:59
My intention was to keep your logic same.
– Sharif Chowdhury
Mar 25 at 6:01
My intention was to keep your logic same.
– Sharif Chowdhury
Mar 25 at 6:01
Trust me, I know. Personally, some people here get a bit of pleasure pushing that downvote button. I didn't and wouldn't have - I see exactly what you did and I personally like it, but I have to acknowledge that the regex would still easily be broken with little nuance.
– FailSafe
Mar 25 at 6:03
Trust me, I know. Personally, some people here get a bit of pleasure pushing that downvote button. I didn't and wouldn't have - I see exactly what you did and I personally like it, but I have to acknowledge that the regex would still easily be broken with little nuance.
– FailSafe
Mar 25 at 6:03
add a comment |
You can have one reguar expression with lookahead that is catching all three conditions:
re.search(r"(Gi|Eth)d/d+(?=>D|$)", line, flags=re.IGNORECASE)
answered Mar 24 at 20:00
DYZDYZ
30k62354
The question was kind of badly asked especially in light of the accepted answer
– FailSafe
Mar 25 at 6:01
add a comment |
You can have one reguar expression with lookahead that is catching all three conditions:
re.search(r"(Gi|Eth)d/d+(?=>D|$)", line, flags=re.IGNORECASE)
answered Mar 24 at 20:00
DYZDYZ
30k62354
The question was kind of badly asked especially in light of the accepted answer
– FailSafe
Mar 25 at 6:01
add a comment |
You can have one reguar expression with lookahead that is catching all three conditions:
re.search(r"(Gi|Eth)d/d+(?=>D|$)", line, flags=re.IGNORECASE)
answered Mar 24 at 20:00
DYZDYZ
30k62354
You can have one reguar expression with lookahead that is catching all three conditions:
re.search(r"(Gi|Eth)d/d+(?=>D|$)", line, flags=re.IGNORECASE)
answered Mar 24 at 20:00
DYZDYZ
30k62354
answered Mar 24 at 20:00
DYZDYZ
30k62354
answered Mar 24 at 20:00
DYZDYZ
30k62354
answered Mar 24 at 20:00
DYZDYZ
30k62354
30k62354
The question was kind of badly asked especially in light of the accepted answer
– FailSafe
Mar 25 at 6:01
add a comment |
The question was kind of badly asked especially in light of the accepted answer
– FailSafe
Mar 25 at 6:01
The question was kind of badly asked especially in light of the accepted answer
– FailSafe
Mar 25 at 6:01
The question was kind of badly asked especially in light of the accepted answer
– FailSafe
Mar 25 at 6:01
add a comment |
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