string.find for case insensitive search

[Johny]

Is there a good way how to use string.find function to find a
substring if I need to you case insensitive substring?
Thanks for reply
LL

 

[Duncan Booth]

Is there a good way how to use string.find function to find a
substring if I need to you case insensitive substring?

s.lower().find(substring.lower())

 

[Don Morrison]

string.find is deprecated as per the official python documentation.

take a look at the "re" module

 

[Don Morrison]

lower() is also deprecated oh well

s.lower().find(substring.lower())

 

[Larry Bates]

Is there a good way how to use string.find function to find a
substring if I need to you case insensitive substring?
Thanks for reply
LL

Maybe something like:

x="my string I'm going to SEarCH"
hasword='SEARCH' in x.upper()
location=x.upper().find('SEARCH')

print hasword
True

print location
23


-Larry

 

[Robert Kern]

lower() is also deprecated oh well

The string method .lower() is not deprecated.

--
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco

 

[Duncan Booth]

lower() is also deprecated oh well

No. RTFM and don't top post.

The functions such as lower() and find() in the string *module* are
deprecated. The methods are what you should use.

 

[Don Morrison]

My apologies, I confused the built-in "str" with the module "string".
I was reading from the section of the 2.4.4 docs called: 4.1.4
Deprecated string functions

 

[Bruno Desthuilliers]

Johny a écrit :

Is there a good way how to use string.find function to find a
substring if I need to you case insensitive substring?

"abCdZEd".lower().find("BcD".lower())

 

[Steve Holden]

string.find is deprecated as per the official python documentation.

but the str.find() method isn't.

take a look at the "re" module

A possibility.

regards
Steve
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[Don Morrison]

but the str.find() method isn't.

A possibility.

regards
Steve

Thank you everyone. Johny did say "string.find" in his message, not
"str.find", but continue to proceed with flogging. thank you!

 

[Steven D'Aprano]

string.find is deprecated as per the official python documentation.

take a look at the "re" module

Regular expressions are way, WAY overkill for a simple find. Just use
the string methods. Instead of this:

import string
string.find("Norwegian Blue", "Blue")


just do this:

"Norwegian Blue".find("Blue")

For case insensitive find:

"Norwegian Blue".lower().find("Blue".lower())

(or better still, turn it into a function).