I have been trying to create a function with a list of tuples as parameters, but I keep getting the error: “Unparsed flex record (need to know the names of all fields in this context)” My code is:<
Tag: match
Regular expression: How to choose something that matches the beginning or end, but is not both?
I have this situation: the regular expression is like this:
^ b? A b? $
So b can match at the beginning of the string 0 or 1, and A must match one or more times. Again b can match 0 or 1 tim
Regular expression – how to determine which alternative items in the Perl regular expression mode?
I have a list of regular expressions (about 10-15) and I need to match some text. Matching them one by one in a loop is too slow. However, I did not write my own state machine To match all regular
Regular expression – GREP: How to search for, but simultaneously exclude some match
I need a way to simplify this command:
grep’SEARCHTERM’ server.log | grep -v ‘ PHHIABFFH’ | grep -v’Stats’ It should find all rows including SEARCHTERM, but exclude if one of the SEARCHTERM r
Regular expression matching, very simple:
I want to match Twitter grammar with regular expressions.
How do I match any “@______”, that is, start with the @ symbol and nothing after it Spaces, only letters and numbers, until the end o
Get the file from the specified address, the regular match, output to the specified form
import pymysql import re conn = pymysql.connect( host=’localhost’, port=3306, user=’root’, passwd=’123456′, db=’test’, charset=’utf8′, ) cursor = conn.cursor() f = open(‘D:\fil
Build a nuXT project (with Element UI, AXIOS)
Using Nuxt Nuxt.js document: https://zh.nuxtjs.org/guide/
npx create-nuxt-app
// or yarn create nuxt-app Run h3> npm run dev Routing Basic routing Nuxt.js is based on pages The directory
Mode matching strings in Lua
I used Lua to split the following strings into tables:
(The data are aligned with each other. I did not find how to write the formatted data on this website)
IP: 192.168.128.12
MAC: AF:3G:9
Optional group capture matching using the LUA mode
I am trying to use simple pattern matching to parse the chemical formula in Lua. However, I don’t know how to specify the capture group as optional. This is the pattern I came up with: < /p>
How do I check if a matching text is found in the string in Lua?
If at least one specific matching text is found in the text string, I need to make the condition true, for example:
str = “This is some text containing the word tiger.”
if string.match(str, “