Re: replace numbers in a string

Gary Herron

Guest

Posts: n/a

#1: Oct 9 '08

Beema Shafreen wrote:

Quote:

hi All,
>
i have few lines in file
"ttccatttctggacatgacgtctgt6901ggtttaagctttgtgaaaga atgtgctttgattcg"
i need to replace the number and get only the alphabet in such a case
what should i do.
Can any body suggest me
>From the regular expression module, use re.sub like this:

Quote:

>>import re
>>re.sub('[0-9]', '',

"ttccatttctggacatgacgtctgt6901ggtttaagctttgtgaaaga atgtgctttgattcg")
'ttccatttctggacatgacgtctgtggtttaagctttgtgaaagaatgt gctttgattcg'

Gary Herron

Quote:

>
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Beema Shafreen
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>
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>

Peter Otten

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Posts: n/a

#2: Oct 9 '08

re: Re: replace numbers in a string

Gary Herron wrote:

Quote:

Beema Shafreen wrote:

Quote:

>hi All,
>>
>i have few lines in file
>"ttccatttctggacatgacgtctgt6901ggtttaagctttgtgaaag aatgtgctttgattcg"
>i need to replace the number and get only the alphabet in such a case
>what should i do.
>Can any body suggest me
>>From the regular expression module, use re.sub like this:

>
>

Quote:

>>>import re
>>>re.sub('[0-9]', '',

"ttccatttctggacatgacgtctgt6901ggtttaagctttgtgaaaga atgtgctttgattcg")
'ttccatttctggacatgacgtctgtggtttaagctttgtgaaagaatgt gctttgattcg'

Or use str methods.
In Python 2.6:

Quote:

>>import string
>>"tctgt6901ggtttaa".translate(None, string.digits)

'tctgtggtttaa'

Older versione:

Quote:

>>"tctgt6901ggtttaa".translate(string.maketrans("" , ""), string.digits)

'tctgtggtttaa'

Peter

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