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I need to get certain words out from a string in to a new format. For example, I call the function with the input:
text2function('$sin (x)$ is an function of x')
and I need to put them into a StringFunction:
StringFunction(function, independent_variables=[vari])
where I need to get just 'sin (x)' for function and 'x' for vari. So it would look like this finally:
StringFunction('sin (x)', independent_variables=['x']
problem is, I can't seem to obtain function and vari. I have tried:
start = string.index(start_marker) + len(start_marker)
end = string.index(end_marker, start)
return string[start:end]
and
r = re.compile('$()$')
m = r.search(string)
if m:
lyrics = m.group(1)
and
send = re.findall('$([^"]*)$',string)
all seems to seems to give me nothing. Am I doing something wrong? All help is appreciated. Thanks.
687
The Python standard library comes with a function for splitting strings: the split() function. This function can be used to split strings between characters. The split() function takes two parameters. The first is called the separator and it determines which character is used to split the string.
Extract part string between two different characters with formulas. To extract part string between two different characters, you can do as this: Select a cell which you will place the result, type this formula =MID(LEFT(A1,FIND(">",A1)-1),FIND("<",A1)+1,LEN(A1)), and press Enter key.
The simplest way to extract the string between two parentheses is to use slicing and string. find() . First, find the indices of the first occurrences of the opening and closing parentheses. Second, use them as slice indices to get the substring between those indices like so: s[s.
If you want to cut a string between two identical characters (i.e, !234567890!) you can use
line_word = line.split('!')
print (line_word[1])
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