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I have a lot of different documents in which I want to find certain JSON, here is an example (regex101).
regex: {\"columns.*]}
I expect to get json like this:
{"columns":["1",{"title":"Bad Boys For Life","value":"Bad Boys For Life"},"2","686.5","764.5","874","877","897","937",{"value":"686.5","isMeta":true},{"isMeta":true,"value":"764.5"},{"isMeta":true,"value":"874"},{"isMeta":true,"value":"877"},{"value":"897","isMeta":true},{"isMeta":true,"value":"937"},"850398",{"value":"937","isMeta":true}]}
But that doesn't work, why?
Your regex misses a global flag so it only produces one match.
Here's the fixed version: https://regex101.com/r/o0j2Sk/2/
The reason you're getting downvoted though is that you should not use regex to parse JSON. It is extremely easy to parse JSON properly with any language, so that's strongly recommended to everybody.
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mission_id: a498094578a
mission_id: a493453456
mission_id: 498343454a
mission_id: 34534535345
From the above 4 mission_id's I need your help in writing a regex pattern which covers all the four mission_id but need to select only the numbers.
So one the first one - need to exempt 'a' and only the numbers.
mission_id:\s*\w?(\d*)\w?
That should work; maybe add any flags you need for parsing multiline text or whatever.
www.regexr.com is a great resource for trying out RegExps
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i am new to this regex thing, how can we build regex expression for following thig
input==>[User:1490474408:michaelayliffe]
output should be ==>1490474408
input will be anything like below:
1.[User:1490474408:michaelayliffe]
2.[User:12345:dfhdfhdf]
3.[User:56789:utyutyutyu]
Output should be middle value.
Please reply.
(?<=\[User:)[^:]+
Using lookbehind should work for you.
/\d+/g
It is find digits those are middle of your string
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I'm looking for the regular expression to find failures in a log file.
The format is "Failures: " following the number of error, a digit not zero
Thanks!
You can use this:
"Failures:\s+[1-9]\d*"
this would be what you are looking for:
Failures:\s*[1-9]\d*
btw, you may want to know that in character class, the not notation is ^, not !.
E.g. [^a-zA-Z] means not letters.
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I've built Optical character recognition for Sinhala (Language in sri lanka). I've had success to some extent. Now What I need to do is post processing using dictionary data.
What would be the best approach for changing misspelled words into correct words? Can any one give suggestions?
I have the dictionary data files in unicode and also my OCR output also a unicode file. I am doing this using C++. I have tried out string matching algorithms with no success so far. I want to start the most relevant approach to this problem. Can anyone help me please?
Thanks in advance.