This question already has answers here:
What special characters must be escaped in regular expressions?
(13 answers)
Regex to match a word with + (plus) signs
(5 answers)
Closed 3 years ago.
My data has this struture:
ID 12354 linea+b 3
ID 15687 linea+b 7
ID 26894 linea+b 10
This is my proposition: r'ID\s+([0-9]+)\s+linea+b\s+([0-9]+)\s+'
The problem is with linea+b where python does not accept + as a string, it analyzes it as a metacharacter.
You should add \ in front of + to recognize the symbol, not as an increment
r'ID\s+([0-9]+)\s+linea\+b\s+([0-9]+)\s+'
Related
This question already has answers here:
Delete all content but keeping matched
(1 answer)
How do (*SKIP) or (*F) work on regex?
(2 answers)
Closed 5 months ago.
I'm trying to remove all characters except those sandwiched between 2 strings,
my original text:
BlahBlahBlahBlahBlahbeginningMY,IMPORTANT,text,1endblahblahblahblblah
XXXXXXXXXXXXXXXXXXXXbeginningMY,IMPORTANT,text,2endblahb2XXXXXXXXXXXX
YYYYYYYYYYYYYYYYYYYYbeginningMY,IMPORTANT,text,3endYYYYYYYYYYYY
UUUUUUUUUUUUUUUUUUUUbeginningMY,IMPORTANT,text,4endUVUVUVUVUVUVUVUVUV
The desire output:
beginningMY,IMPORTANT,text,1end
beginningMY,IMPORTANT,text,2end
beginningMY,IMPORTANT,text,3end
beginningMY,IMPORTANT,text,4end
I used this
beginning(.*)end
RegEx in regexr.com and got a useful list like this
I'm not allowed to upload my data to any website so how can I do this On Notepad++ ?
This question already has answers here:
How do I match an entire string with a regex?
(8 answers)
Regex.Match whole words
(4 answers)
Closed 5 years ago.
I'm trying to match a pattern in powershell, any 3 letters followed by any 2 numbers, example: abc00
Trying:
'abc00' -match '[a-zA-Z]{3}[0-9]{2}'
returns TRUE
but :
'abcdefg0000' -match '[a-zA-Z]{3}[_0-9]{2}'
also returns TRUE.
How do I limit it so if the string doesn't contain exactly 3 letters and 3 numbers, it returns false?
Thank you!
This question already has answers here:
What do 'lazy' and 'greedy' mean in the context of regular expressions?
(13 answers)
Closed 5 years ago.
I have a piece of text that I need to match anything between <latex and </latex> but not the text and an equivalent quantity of
Which given has the same divisor of <latex>5</latex> and an equivalent quantity of <latex>(5 + 2) \div 5</latex>?
I've tried with the regex \<\;(latex).+(latex)\>\;([^\s]) but it doesn't stop until the last </latex>in the line.
You need to use a non-greedy match
\<\;(latex).+?(latex)\>\;
This question already has an answer here:
Learning Regular Expressions [closed]
(1 answer)
Closed 5 years ago.
I want regex with at least 2 characters start with any alphabet or any digit not matters.But It can accept - and _ .
Ex : ABD , Abc_123 , 12, A-_ , A1 etc.
(Updated)
(?=[-\w]{2}).*
Online test, https://regex101.com/r/JcUaBz/2
This should do the trick:
[\w-]{2,}
But, if you want to ignore words that have special characters, you can use this:
(?<=\s|^)([\w-]{2,})(?=\s+|$)
This question already has answers here:
Extract a single (unsigned) integer from a string
(23 answers)
Closed 3 years ago.
I can't figure out how to find a digit in a string like the following: Picture15.jpg. Does anyone have a RegEx of how to extract this digit in PHP?
Try
preg_match("/(\d+)/", "Picture15.jpg", $m);
echo $m[1];