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Python Regex: Finding First and Last Names


Python Regex: Finding First and Last Names

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Python Regex: Finding First and Last Names
Tag : python , By : user179938
Date : November 25 2020, 07:27 PM


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Regex for Names where the middle and last names are optional. (Python)


Tag : python , By : acolomba
Date : March 29 2020, 07:55 AM
wish of those help I am trying to match space seperated names that do not contain any special character. The first name is compulsory and the middle and last names are optional. Also, the names could have all capital letters, but not all small, and the first character of each of the names(first, middle, last) is a capital letter. , What you want is
^[A-Z]\w+(?:\s[A-Z]\w+?)?\s(?:[A-Z]\w+?)?$
\s[A-Z]\w+(?:\s[A-Z]\w+?)?\s(?:[A-Z]\w+?)?[\s\.\,\;\:]

regex: conditional regex with backreference and keep the group names in Python?


Tag : regex , By : Nandor Devai
Date : March 29 2020, 07:55 AM
With these it helps In your pattern, you swapped the group match check and named capturing groups.
It is not possible to reference a capture group before it matches in Python re., see the reference you shared:
[\w,\s]+(?:(?P<lsb>\[)|(?P<lcb>\{))[\w,\s]+(?:(?(lsb)(?P<rsb>\])|(?(lcb)(?P<rcb>\})|(?!))))$

Regex - Finding all function names that doesn't start with a certain prefix


Tag : regex , By : Alan Little
Date : March 29 2020, 07:55 AM
it should still fix some issue I have a folder containing many PHP files that I need to recursively search for function definitions which don't start with abc. So I need to get all occurrences of function something() { where abc is not a prefix of something. What is the regex I can use with grep to achieve this? , Just use this regular expression:
(?:\r?\n|^)\s*?function\s(?!abc).*?\{
var text = document.getElementById('main').innerHTML;
var regex = /(?:\r?\n|^)\s*?(function\s(?!abc).*?\{)/g;
var match = regex.exec(text)

while(match !== null) {
  console.log(match[1]);
  match = regex.exec(text);
}
<div id="main" style="white-space:pre;">
function abc123 {
     function abc123 {
function something {
function abcsomething {
if {
function 123 {
no-match
</div>

Python finding multiple regex matches within a regex match


Tag : python , By : sadboy
Date : March 29 2020, 07:55 AM
this will help As Serge mentioned, this is not really a problem you want to tackle with a single regular expression, but with multiple regular expressions and some python magic:
def replacer(match):  # re.sub can take a function as the repl argument which gives you more flexibility
    choices = {'<':'{', '>':'}'}  # replace < with { and > with }
    return choices[match.group(0)]

result = []  # store the results here
for text in re.split(r'(?s)(?=<table)(.*)(?<=table>)', your_text): # split your text into table parts and non table parts
    if text.startswith('<table'): # if this is a table part, do the <> replacement 
        result.append(re.sub(r'[<>]', replacer, text))
    else: # otherwise leave it the same
        result.append(text)
print(''.join(result)) # join the list of strings to get the final result
(?s)        # the . matches newlines 
(?=<table)  # positive look-ahead matching '<table'
(.*)        # matches everything between <table and table> (it is inclusive because of the look-ahead/behinds)   
(?<=table>) # positive look-behind matching 'table>'

Finding files with names matching regex and current date in a script


Tag : regex , By : demize95
Date : March 29 2020, 07:55 AM
may help you .
I'm getting error: line 2: syntax error near unexpected token '(' What is wrong?
#!/bin/bash
shopt -s extglob
find /daily-$(date -d "-1 day" +%F)/photo-$(date -d "-1 day" +%F)-!(0[0-9])-*.jpg
#!/bin/bash
shopt -s extglob
find /daily-"$(date -d "-1 day" +%F)"/photo-"$(date -d "-1 day" +%F)"-!(0[0-9])-*.jpg

#           ^                       ^       ^                       ^
#!/bin/bash
shopt -s extglob
ls /daily-"$(date -d "-1 day" +%F)"/photo-"$(date -d "-1 day" +%F)"-!(0[0-9])-*.jpg
#!/bin/bash
shopt -s extglob
yyyy_mm_dd_yesterday=$(date -d "-1 day" +%F)
find /daily-"$yyyy_mm_dd_yesterday"/photo-"$yyyy_mm_dd_yesterday"-!(0[0-9])-*.jpg
#!/bin/bash
shopt -s extglob
yyyy_mm_dd_yesterday=$(date -d "-1 day" +%F)
ls /daily-"$yyyy_mm_dd_yesterday"/photo-"$yyyy_mm_dd_yesterday"-!(0[0-9])-*.jpg
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