如何在python中使用regex -re.findall查找大写和smallCase

Question

I have a code that search for expressions and highlight the matching word .

I need to find the match regardless if its upper or lower cases i need the search to ignore the case sensitive .

code:

RepX='<u><b style="color:#FF0000">'+x+'</b></u>'


    for counter , myLine in enumerate(filename):

        #added
        self.textEdit_PDFpreview.clear()
        thematch=re.sub(x,RepX,TextString)
        thematchFilt=re.findall(x,TextString,re.M|re.IGNORECASE)

example the searched word : charles

the existing word is Charles

the system will not find the searched word unless i wrote Charles .

Answer 1

import re


text = "234422424"
text2 = "My text"


print( re.findall( r'^[A-Öa-ö\s]+', text)) # []
print( re.findall( r'^[A-Öa-ö\s]+', text2)) # ['My text']

Answer 2

re.findall takes parameters as re.findall(pattern, string, flags=0) .

import re
s = 'the existing word is Charles'
print(re.findall(r'charles', s, re.IGNORECASE))
# ['Charles']

re.IGNORECASE ensures a case-insensitive match.

Answer 3

The problem was in thematch=re.sub(x,RepX,TextString) it need also parameter flags. so it becomes thematch=re.sub(x,RepX,TextString,flags= re.M|re.I)