Python regex to capture a comma-delimited list of items

Python regex to capture a comma-delimited list of items

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Python regex to capture a comma-delimited list of items
Tag : python , By : Chris Tattum
Date : November 27 2020, 09:01 AM

wish of those help I have a list of weather forecasts that start with a similar prefix that I'd like to remove. I'd also like to capture the city names:
import re
s = "If you have vacation or wedding plans for Miami, Jacksonville, Macon, Charlotte, or Charleston, expect a couple systems"
p = re.compile(r"If you have vacation or wedding plans (in|for) ((\w+, )+)or (\w+)")
m = p.match(s)
print m.group(2) # output: Miami, Jacksonville, Macon, Charlotte,
cities = m.group(2).split(", ") # cities = ['Miami', 'Jacksonville', 'Macon', 'Charlotte', '']
cities[-1] = m.group(4) # add the city after or
print cities # cities = ['Miami', 'Jacksonville', 'Macon', 'Charlotte', 'Charleston']

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Regex for Comma delimited list

Tag : regex , By : Shitic
Date : March 29 2020, 07:55 AM
help you fix your problem What is the regular expression to validate a comma delimited list like this one: , I suggest you to do in the following way:

Prepend one constant value to all items of a comma-delimited list

Tag : excel , By : Simone
Date : March 29 2020, 07:55 AM
this one helps. I have two columns. I want to concatenate the cells in ColumnA and ColumnB to give me the output illustrated in ColumnD. I have tried ColumnA&ColumnB but the output shown in column C does not correspond to the desired output. How do I fix this? , This user-defined function works for me:
Function prependToAllElements(prefix As String, commaSeparatedList As String) As String
    Dim i As Long
    Dim s() As String
    s = Split(commaSeparatedList, ",")
    For i = LBound(s) To UBound(s)
        s(i) = prefix & s(i)
    Next i
    prependToAllElements = Join(s, ",")
End Function

POSIX regex: match only within comma-delimited items

Tag : regex , By : ussballantyne
Date : March 29 2020, 07:55 AM
wish help you to fix your issue The following solution, based on Perry's idea of changing the separator, is not foolproof, but preserves the desirable running time while making it pretty hard to screw up.
First, we choose a delimiter to replace the commas with; I have chosen @@@@@, reasoning that this will not occur in any properly formed tag. (The tags are normally purely alphanumeric.)
pattern=$(echo "$3" | sed -e 's/\./[^@]/')
grep -m 1 "$header: " *.dre | sed -e "s/$header:        //" | \
    sed -e 's/, /@@@@@/g' | grep -E "$pattern" | \
    sed -e 's/\([0-9]\{5\}\.dre\):.*/\1/'

How to sort items in a list by a comma delimited number and remove the number afterwards in Python

Tag : python , By : Harry Truman
Date : March 29 2020, 07:55 AM
like below fixes the issue Rather than sort while in string form and parse afterwards, it would be better to parse first, then sort.
>>> import csv
>>> from operator import itemgetter
>>> text = ['something , 3', 'something else , 1', 'something this , 2']
>>> list(map(itemgetter(0), sorted(csv.reader(text), key=itemgetter(1))))
['something else ', 'something this ', 'something ']
# First parse the commas into separate fields
 \-->  [['something ', ' 3'], ['something else ', ' 1'], ['something this ', ' 2']]

# Then sort using the second field as the key
sorted(_, key=itemgetter(1))
 \--> [['something else ', ' 1'], ['something this ', ' 2'], ['something ', ' 3']]

# The extract just the field
list(map(itemgetter(0), _))
 \--> ['something else ', 'something this ', 'something ']

C# get items from list based on comma delimited string

Tag : chash , By : Ron
Date : March 29 2020, 07:55 AM
Any of those help It will be easier if you use Split() first to get a list of strings from your comma-separated list:
var searchList = search.Split(',');
var newList = originalList.Where(x => searchList.Contains(x.Key));
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