re2 | friendly alternative to backtracking regular expression | Regex library
kandi X-RAY | re2 Summary
kandi X-RAY | re2 Summary
This is the source code repository for RE2, a regular expression library. For documentation about how to install and use RE2, visit
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re2 Key Features
re2 Examples and Code Snippets
try:
import re2 as re
re.set_fallback_notification(re.FALLBACK_WARNING)
except ImportError:
# latest version was for Python 2.6
else:
import re
import re
try:
import re2
re2.set_fallback_not
((?:a+(?(?!b)(*ACCEPT))|b+(?(?!c)(*ACCEPT))|c+(?(?!d)(*ACCEPT))|d+(?(?!e)(*ACCEPT))|e+(?(?!f)(*ACCEPT))|f+(?(?!g)(*ACCEPT))|g+(?(?!h)(*ACCEPT))|h+(?(?!i)(*ACCEPT))|i+(?(?!j)(*ACCEPT))|j+(?(?!k)(*ACCEPT))|k+(?(?!l)(*ACCEPT))|l+(?(?!m)(*ACCE
"""
SELECT
REGEXP_EXTRACT(REGEXP_REPLACE(content, r'.*(\\n)', ''),
r'pd\.([^”,\.\(\,\`) ’:\[\]\/\\={}]*)')
FROM
[fh-bigquery:github_extracts.contents_py]
LIMIT 10
"""
Community Discussions
Trending Discussions on re2
QUESTION
I'm trying to keep lines that contain the word "NOA" in a column A which has many multi-line cells as can be viewed in this Google Spreadsheet.
If "NOA" is present then, I would like to keep the line. The input and output should look like the image which I have "working" with too-many helper cells. Can this be combined into a single formula?
Theoretical Approaches: I have been thinking about three approaches to solve this:
- ARRAYFORMULA(REGEXREPLACE - couldn't get it to work
- JOIN(FILTER(REGEXMATCH(TRANSPOSE - showing promise as it works in multiple steps
- Using the QUERY Function - unfamiliar w/ function but wondering if this function has a fast solution
Practical attempts:
FIRST APPROACH: first I attempted using REGEXEXTRACT to extract out everything that did not have NOA in it, the Regex worked in demo but didn't work properly in sheets. I thought this might be a concise way to get the value, perhaps if my REGEX skill was better?
...ANSWER
Answered 2022-Apr-04 at 15:23Here's one way you can do that:
QUESTION
I read from somewhere that Datastudio use little bit different Regular Expression from other places: that it uses RE2. I, however, manage to find a site to test for RE2 regex and able to get it running, but it was not working on Data studio.
I have this URL I wanted to extract:
...ANSWER
Answered 2022-Mar-16 at 19:41You can use several solutions here.
Solution 1: matching digits after a specific string (here, news-
)
QUESTION
I'm using regular expression to extract some country data in BigQuery. And I don't know how to extract the text I want from it. This is the example records I use.
country China Anhui Univ Chinese Med, Affiliated Hosp 1, Expt Ctr Clin Res, Sci Res Dept, 117 Meishan Rd, Hefei 230031, Anhui, 12, Peoples R China Meluna Res, Geldermalsen, Netherlands; [Wiegant, Frederik Anton Clemens] Univ Utrecht, Utrecht, NetherlandsI wanted to extract the last comma-followed words Peoples R China
, Netherlands
from the text, so I used the negative lookahead to extract them.
ANSWER
Answered 2022-Mar-08 at 13:47You can use
QUESTION
I want to capture subdomain
and rewrite URL with /subdomain
, For example bhautik.bhau.tk
rewrite to bhau.tk/bhautik
.
I also https://github.com/google/re2/wiki/Syntax tried group syntax
Here is my nginx
ingress config:
ANSWER
Answered 2022-Feb-12 at 14:19I believe you want a redirect instead of rewrite. Here is the server-snippet
you need:
QUESTION
I've trained a pretty complex (random intercept and slope) mixed logistic model which I'm then using to predict new data. My predictions were way off so I compared the predicted values for my original data and noticed that they are very different from my fitted.values()
. E.g. taking just the first data point, the fitted value is 0.359, the predicted value (predict(model, newdata=data, type="response"
) is 0.0585. I'm pretty sure the issue relates to the random effects, because if I predict the same data point with only fixed effects I get 0.707, which is what I'd expect, and random effects only gives 0.0252 which is very wrong.
You can see the different random effect groups by plotting fitted vs predicted (below) This also shows how the gradients within groups are the same so it looks like a problem with the intercepts rather than the slopes.
Any help would be really appreciated!
EDIT: In case it helps, the formula basically looks like this:
...ANSWER
Answered 2022-Jan-29 at 19:22The model:
QUESTION
I am currently trying to replace some of the plural words like removing "s" from "birds" and replacing it as "bird" in bigquery
but I want them to ignore a few words like "less", "james", "this".
I was able to come up with this which ignores the "less" but still butchers james.
...ANSWER
Answered 2022-Jan-08 at 21:43You can use an alternation here, a regex with two alternatives. In the first alternative, you can capture all the words that are exceptions, into Group 1, and in the second one, use your regex. The replacement will be both group values concatenated:
QUESTION
I am using re2 (https://github.com/google/re2/wiki/Syntax). I have a string of the form:
...ANSWER
Answered 2022-Jan-06 at 20:42Your regexp will work except if the quote is at the end of the string, because [^"]
won't match there. So use an alternative to match the end there.
QUESTION
Kusto uses the re2 library: https://github.com/google/re2/wiki/Syntax, as mentioned here: https://docs.microsoft.com/en-us/azure/kusto/query/re2 so apparently lookarounds is not supported.
Sample String:Some sentence. Some word Some word ServiceInstanceId:78d61d2f-6df9-4ba4-a192-0713d3cd8a82.1234 not found. , ErrorCode:2 Some sentences. Some sentences.Some sentences.
Is it possible to extract 78d61d2f-6df9-4ba4-a192-0713d3cd8a82 from the above string in Kusto. Need all characters after "ServiceInstanceId:" until next space.
...ANSWER
Answered 2021-Dec-30 at 13:57You can use parse
:
QUESTION
Continuing my work on Software Foundations, I've reached the weak_pumping
lemma. I managed to get through almost everything, but I can't find a solution for MStarApp
case.
Here's the Lemma:
...ANSWER
Answered 2021-Oct-11 at 15:11Try to destruct s1 and look again on lemma napp_star in one of cases.
QUESTION
I'm pretty sure it's because I am using t2.nano
and not something a little more beefy.
But I have used laravel forge to provision an ec2 server, I can't deploy my application however because I need to install GRPC
.
I have followed these instructions: https://cloud.google.com/php/grpc#using-pecl
And when I run: sudo pecl install grpc
it runs for around 10 mins and then just gets stuck.
Seems to be running the same thing over and over again, can't quite workout the full stack trace or more importantly where it begins, but I'll post below.
...ANSWER
Answered 2021-Dec-01 at 19:04Upgrade to a bigger tier than the t2.nano and it should work. I think it's because of the RAM limit. I had the same issue with some instances in Digital Ocean.
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