66 questions
1
vote
1
answer
111
views
Inconsistent behavior of parse_number() with non-alphanumeric strings in R
I'm having trouble using readr::parse_number() on a character column that sometimes contains non-alphanumeric prefixes before the number. In some cases, parse_number() extracts the number correctly, ...
- 79.8k
0
votes
3
answers
143
views
Python voltage input
`Hi, I want to write a code to get inputs for both integer and float numbers but only numbers. If float number is given it accepts dot but not any other nonalphanumeric characters.
I wrote this code ...
- 23
1
vote
0
answers
863
views
Teradata REGEXP to find all non-alpha characters
The HISTORY_MEMBERS table has undesireable entries in the some of the columns. The majority are in the Last_Name column. Some entries were made for testing (TestLastName, test, tester, etc.) and ...
- 11
2
votes
3
answers
1k
views
Remove all characters except alphabets and numbers from a C# "Unicode" string
Removing non-alphanumeric characters from a string is simple work. For example:
StringBuilder sb = new StringBuilder();
foreach(var c in s)
{
if ((c >= 'a' && c <= 'z') || (c >= '...
user13239154
10
votes
3
answers
432
views
Place an escape sign before every non-alphanumeric characters
I am trying to place an escape sign before every non-alphanumeric character:
> my $b = "!@#%^||" ~ "/welcome xyz:!@#\$%^&*()|:;.,?/-."
!@#%^||/welcome xyz:!@#$%^&*()|:;....
- 5,749
0
votes
1
answer
555
views
How to remove leading and trailing non-alphanumeric characters of a certain string in python using regex?
How do I remove the leading and trailing non-alpha characters in a given string, before and after a certain substring? See the example below
input_string = m#12$my#tr!#$g%
output_string = m12my#tr!g
...
- 485
0
votes
1
answer
571
views
Is there a way to create GoogleTest paramaterized test cases that contain non-alphanumeric characters?
I'm performing some validation tests on several XML files, some of which contain hyphens in the name. I've created a parameterized test case containing the file names (excluding extensions) but ...
- 154
3
votes
0
answers
931
views
standard non-alphanumeric sort order
Is there a standardised sort order for NON-alpha-numeric characters that is used across most systems / programs? For instance, when I create a bunch of items with symbols as the first character and ...
- 1,307
1
vote
1
answer
579
views
Read non alphabetic character using pandas from excel
I am trying to read this file using pandas in UTF-8 encoding.
English alphabetic characters are read properly but those characters which are not English alphabet are not read properly. I tried ...
2
votes
1
answer
485
views
How to make padding spaces results of a similar length when using non alphanumeric characters?
I am using javascript, and I want the output of the following console.log() to be of a same length.
const str1 = 'English';
console.log(str1.padEnd(10, '.'));
const str2 = '日本語';
console.log(str2....
- 1,303
1
vote
1
answer
857
views
Adding columns to dataframe that show boolean based on column data type in python
I'm trying to add columns to the dataframe that are booleans based on a determination of whether the current column being iterated through is alphanumeric, alphabetical, or numerical. Unfortunately, ...
- 41
2
votes
0
answers
209
views
Trouble with tabulizer library in r recognizing non-alphanumeric (symbol) characters on a table in a PDF
I am using the tabulizer library in r to capture data from a table located inside a PDF on a public website
(https://www.waterboards.ca.gov/sandiego/water_issues/programs/basin_plan/docs/update082812/...
- 55
0
votes
2
answers
5k
views
How can I select all records with non-alphanumeric and remove them?
I want to select the records containing non-alphanumeric and remove those symbols from strings. The result I expecting is strings with only numbers and letters.
I'm not really familiar with regular ...
- 7
0
votes
1
answer
68
views
Print only valid Alphanumeric Strings
Print only valid Alphanumeric Strings
For example, the geral print is:
Xô3†kЀ?ë±3!æq¥b.
Parabéns, conseguiu.
ñoÛD¦Ó¶Y˜…Û¬œ«÷ôQÂ.
Ãý™448($vúiP±ÔÅã.
ÝÆû4sÊìÏiÁLy[r¥…X°.
But ...
2
votes
2
answers
175
views
How to drop and keep only certain non alphanumeric characters?
I Have df that looks like this:
email id
{'email': ['[email protected]']} {'id': ['123abc_d456_789_fgh']}
when I drop non alphanumeric characters like so:
df....
- 3,677