Variable in regex in MongoDB [duplicate]
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This question already has an answer here:
Converting user input string to regular expression
10 answers
how to pass a variable to a regex
4 answers
This works fine:
db.collecton.find({code: {
$regex: /babcb/,
$options: 'i'
}})
But how to do this with variable code = 'abc'? I tried to do like this, but it finds nothing:
db.collection.find({code: {
$regex: 'b' + code + 'b',
$options: 'i'
}})
(I need to find documents with field code equal the variable, but with /i option, so I can't write just code: code. With $regex: code it also returns documents with code like qabcg)
mongodb
asked Nov 22 '18 at 7:44
golubluegolublue
11
marked as duplicate by Neil Lunn mongodb
Users with the mongodb badge can single-handedly close mongodb questions as duplicates and reopen them as needed.
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Nov 22 '18 at 7:49
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
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This question already has an answer here:
Converting user input string to regular expression
10 answers
how to pass a variable to a regex
4 answers
This works fine:
db.collecton.find({code: {
$regex: /babcb/,
$options: 'i'
}})
But how to do this with variable code = 'abc'? I tried to do like this, but it finds nothing:
db.collection.find({code: {
$regex: 'b' + code + 'b',
$options: 'i'
}})
(I need to find documents with field code equal the variable, but with /i option, so I can't write just code: code. With $regex: code it also returns documents with code like qabcg)
mongodb
asked Nov 22 '18 at 7:44
golubluegolublue
11
marked as duplicate by Neil Lunn mongodb
Users with the mongodb badge can single-handedly close mongodb questions as duplicates and reopen them as needed.
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Nov 22 '18 at 7:49
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
add a comment |
This question already has an answer here:
Converting user input string to regular expression
10 answers
how to pass a variable to a regex
4 answers
This works fine:
db.collecton.find({code: {
$regex: /babcb/,
$options: 'i'
}})
But how to do this with variable code = 'abc'? I tried to do like this, but it finds nothing:
db.collection.find({code: {
$regex: 'b' + code + 'b',
$options: 'i'
}})
(I need to find documents with field code equal the variable, but with /i option, so I can't write just code: code. With $regex: code it also returns documents with code like qabcg)
mongodb
asked Nov 22 '18 at 7:44
golubluegolublue
11
This question already has an answer here:
Converting user input string to regular expression
10 answers
how to pass a variable to a regex
4 answers
This works fine:
db.collecton.find({code: {
$regex: /babcb/,
$options: 'i'
}})
But how to do this with variable code = 'abc'? I tried to do like this, but it finds nothing:
db.collection.find({code: {
$regex: 'b' + code + 'b',
$options: 'i'
}})
(I need to find documents with field code equal the variable, but with /i option, so I can't write just code: code. With $regex: code it also returns documents with code like qabcg)
This question already has an answer here:
Converting user input string to regular expression
10 answers
how to pass a variable to a regex
4 answers
mongodb
mongodb
asked Nov 22 '18 at 7:44
golubluegolublue
11
asked Nov 22 '18 at 7:44
golubluegolublue
11
asked Nov 22 '18 at 7:44
golubluegolublue
11
asked Nov 22 '18 at 7:44
golubluegolublue
11
asked Nov 22 '18 at 7:44
golubluegolublue
11
11
marked as duplicate by Neil Lunn mongodb
Users with the mongodb badge can single-handedly close mongodb questions as duplicates and reopen them as needed.
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Nov 22 '18 at 7:49
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
marked as duplicate by Neil Lunn mongodb
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Nov 22 '18 at 7:49
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
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