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I want to receive in example regex match only 17 and 20 (skip 3 match only two match)
Depending on what you want to do, this one can be a good solution
[0-9]{2}(?!$)
It matches the groups of 2 digits not at the end of a line !
You can also try : ([0-9]{2})\s[A-z]+\s([0-9]{2}) if you want only 2 groups
Related
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I want to select first two characters appearing on a given string like below.
in below example i would like the result to show "CJ" only.
";2;14;1;1;CJ;1;CT;1;DG;1;DJ;1;DT;1;QF;1;QG;1;QH;1;TA;1;TG;1;TK;1;TR;1;TW;1;TX";
([a-zA-Z]{2})
(): Capture the string into a group
[a-zA-Z]: Match any letter, upper or lower case
{2}: Match exactly 2 times
Make sure the "global" flag is not enabled ("global" allows returning multiple matches, not just the first)
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How do read two first letters and delete line?
This code remove all line where is GG
.*gg.*.*.*
ggang - delete
gangg -undelete
Tested in notepad++:
find: ^(gg.*)$
replace: (leave blank)
in:
ggang
gangg
out:
gangg
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I would like to use regex in Java to substring text.
The string must be max 140 characters in all ( not counting new line/enter characters) and there might be max 4 lines
I found out how to substring 140 symbols: ^(.|\n|\r){0,140}
My question is how to add limitation for only 4 lines
and exclude new line/enter characters
Thanks for help!
This expression should do what you are looking for:
^([^\r\n]{0,140}(\r?\n|$)){4}
Try it here.
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I'm having another issue where I want to extract values from a string. Please take a look.
string anotherTest = "Hello World [A12345 **(05,00,45)**] - [518.6Z] [51.5]"
I would like the result to return "A12345" "518.6Z" "51.5".
What I highlighted in bold is what I'm having issue with.
I'm using c# and I've tried [(\D?\d+.?\d+\D?)] ... which is fine if I don't have what's in parentheses.
You need to extract the first word from a [ ... ] substring. Use groups:
.*?(\[([^\[\] ]+).*?\])*
Then extract second group from all the captures (depending on your langauge)
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How do you find the first word after a string literal via regex?
I.e.
I want to extract "DAQJ7PS" from the line:
ERROR service.PostService - Failed to save post DAQJ7PS
/ERROR service\.PostService - Failed to save post (.+)/
will give you the result in the first capturing group. This can be tuned if you have more specific requirements.