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Groups > comp.lang.python > #31021 > unrolled thread

string contains and special characters

Started byloial <jldunn2000@gmail.com>
First post2012-10-09 07:02 -0700
Last post2012-10-09 16:59 +0200
Articles 9 — 6 participants

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  string contains and special characters loial <jldunn2000@gmail.com> - 2012-10-09 07:02 -0700
    Re: string contains and special characters Agon Hajdari <agonh@freenet.de> - 2012-10-09 16:10 +0200
      Re: string contains and special characters loial <jldunn2000@gmail.com> - 2012-10-09 08:09 -0700
      Re: string contains and special characters loial <jldunn2000@gmail.com> - 2012-10-09 08:09 -0700
    Re: string contains and special characters Dave Angel <d@davea.name> - 2012-10-09 10:23 -0400
    Re: string contains and special characters Jerry Hill <malaclypse2@gmail.com> - 2012-10-09 10:34 -0400
    Re: string contains and special characters Dave Angel <d@davea.name> - 2012-10-09 10:34 -0400
    Re: string contains and special characters Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-10-09 15:50 +0100
    Re: string contains and special characters Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-10-09 16:59 +0200

#31021 — string contains and special characters

Fromloial <jldunn2000@gmail.com>
Date2012-10-09 07:02 -0700
Subjectstring contains and special characters
Message-ID<a6a8b018-f7d1-43ae-bee8-a2f2028866f1@googlegroups.com>
I am trying to match a string that containing the "<" and ">" characters, using the string contains function, but it never seems to find the lines containing the string

e.g if mystring.contains("<TAG>") :

Do I need to escape the characters...and if so how?

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#31026

FromAgon Hajdari <agonh@freenet.de>
Date2012-10-09 16:10 +0200
Message-ID<mailman.1997.1349792372.27098.python-list@python.org>
In reply to#31021
On 10/09/2012 04:02 PM, loial wrote:
> I am trying to match a string that containing the "<" and ">" characters, using the string contains function, but it never seems to find the lines containing the string
> 
> e.g if mystring.contains("<TAG>") :
> 
> Do I need to escape the characters...and if so how?
> 
if '<TAG>' in yourstring:
	# your code

--
Agon Hajdari

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#31035

Fromloial <jldunn2000@gmail.com>
Date2012-10-09 08:09 -0700
Message-ID<309cb8b0-ff38-4e2d-bb58-87d1d787fbed@googlegroups.com>
In reply to#31026
On Tuesday, 9 October 2012 15:19:33 UTC+1, Agon Hajdari wrote:
> On 10/09/2012 04:02 PM, loial wrote: > I am trying to match a string that containing the "<" and ">" characters, using the string contains function, but it never seems to find the lines containing the string > > e.g if mystring.contains("<TAG>") : > > Do I need to escape the characters...and if so how? > if '<TAG>' in yourstring: # your code -- Agon Hajdari

That worked...thanks

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#31036

Fromloial <jldunn2000@gmail.com>
Date2012-10-09 08:09 -0700
Message-ID<mailman.2005.1349795375.27098.python-list@python.org>
In reply to#31026
On Tuesday, 9 October 2012 15:19:33 UTC+1, Agon Hajdari wrote:
> On 10/09/2012 04:02 PM, loial wrote: > I am trying to match a string that containing the "<" and ">" characters, using the string contains function, but it never seems to find the lines containing the string > > e.g if mystring.contains("<TAG>") : > > Do I need to escape the characters...and if so how? > if '<TAG>' in yourstring: # your code -- Agon Hajdari

That worked...thanks

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#31028

FromDave Angel <d@davea.name>
Date2012-10-09 10:23 -0400
Message-ID<mailman.1999.1349792644.27098.python-list@python.org>
In reply to#31021
On 10/09/2012 10:02 AM, loial wrote:
> I am trying to match a string that containing the "<" and ">" characters, using the string contains function, but it never seems to find the lines containing the string
>
> e.g if mystring.contains("<TAG>") :
>
> Do I need to escape the characters...and if so how?
>

What language are you trying to use, and what version of that language? 
In all the Python versions I know of, that line would simply be a syntax
error.  There's no "contains" method in the str class, use the 'in' keyword.

    if  "<TAG>' in mystring:

No need to escape any ASCII characters except backslash.

-- 

DaveA

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#31031

FromJerry Hill <malaclypse2@gmail.com>
Date2012-10-09 10:34 -0400
Message-ID<mailman.2002.1349793260.27098.python-list@python.org>
In reply to#31021
On Tue, Oct 9, 2012 at 10:02 AM, loial <jldunn2000@gmail.com> wrote:
> I am trying to match a string that containing the "<" and ">" characters, using the string contains function, but it never seems to find the lines containing the string
>
> e.g if mystring.contains("<TAG>") :
>
> Do I need to escape the characters...and if so how?

Strings don't have a contains() method.  Assuming that mystring is
actually a string, you should be getting a very specific error,
telling you exactly what's wrong with your code (something like
AttributeError: 'str' object has no attribute 'contains').

If that isn't what you're seeing, you'll need to provide the full and
complete text of the error you are getting, and preferably enough of
your code that we can reproduce the issue and help you solve it.

-- 
Jerry

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#31032

FromDave Angel <d@davea.name>
Date2012-10-09 10:34 -0400
Message-ID<mailman.2003.1349793304.27098.python-list@python.org>
In reply to#31021
On 10/09/2012 10:23 AM, Dave Angel wrote:
> On 10/09/2012 10:02 AM, loial wrote:
>> I am trying to match a string that containing the "<" and ">" characters, using the string contains function, but it never seems to find the lines containing the string
>>
>> e.g if mystring.contains("<TAG>") :
>>
>> Do I need to escape the characters...and if so how?
>>
> What language are you trying to use, and what version of that language? 
> In all the Python versions I know of, that line would simply be a syntax

Sorry, I should have said "Attribute" error.

> error.  There's no "contains" method in the str class, use the 'in' keyword.
>
>     if  "<TAG>' in mystring:
>
> No need to escape any ASCII characters except backslash.
>


-- 

DaveA

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#31033

FromMark Lawrence <breamoreboy@yahoo.co.uk>
Date2012-10-09 15:50 +0100
Message-ID<mailman.2004.1349794188.27098.python-list@python.org>
In reply to#31021
On 09/10/2012 15:23, Dave Angel wrote:
> On 10/09/2012 10:02 AM, loial wrote:
>> I am trying to match a string that containing the "<" and ">" characters, using the string contains function, but it never seems to find the lines containing the string
>>
>> e.g if mystring.contains("<TAG>") :
>>
>> Do I need to escape the characters...and if so how?
>>
>
> What language are you trying to use, and what version of that language?
> In all the Python versions I know of, that line would simply be a syntax
> error.  There's no "contains" method in the str class, use the 'in' keyword.

I see you've already corrected youself :)

>
>      if  "<TAG>' in mystring:
>
> No need to escape any ASCII characters except backslash.
>

No need to escape anything if raw strings are used.

-- 
Cheers.

Mark Lawrence.

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#31037

FromUlrich Eckhardt <ulrich.eckhardt@dominolaser.com>
Date2012-10-09 16:59 +0200
Message-ID<1nqdk9-iov.ln1@satorlaser.homedns.org>
In reply to#31021
Am 09.10.2012 16:02, schrieb loial:
> I am trying to match a string that containing the "<" and ">"
> characters, using the string contains function, but it never seems to
> find the lines containing the string
>
> e.g if mystring.contains("<TAG>") :

I can't locate a 'contains' function anywhere, what type is 'mystring'?


> Do I need to escape the characters...and if so how?

Maybe. Please provide some example code that unexpectedly fails.


Uli

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