Re: replace numbers in a string

[Gary Herron]

Beema Shafreen wrote:

hi All,
>
i have few lines in file
"ttccatttctggac atgacgtctgt6901 ggtttaagctttgtg aaagaatgtgctttg attcg"
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:

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

"ttccatttctggac atgacgtctgt6901 ggtttaagctttgtg aaagaatgtgctttg attcg")
'ttccatttctggac atgacgtctgtggtt taagctttgtgaaag aatgtgctttgattc g'


Gary Herron

>
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Beema Shafreen
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>

[Peter Otten]

Re: replace numbers in a string

Gary Herron wrote:

Beema Shafreen wrote:

>hi All,
>>
>i have few lines in file
>"ttccatttctgga catgacgtctgt690 1ggtttaagctttgt gaaagaatgtgcttt gattcg"
>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:

>
>

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

"ttccatttctggac atgacgtctgt6901 ggtttaagctttgtg aaagaatgtgctttg attcg")
'ttccatttctggac atgacgtctgtggtt taagctttgtgaaag aatgtgctttgattc g'

Or use str methods.
In Python 2.6:

>>import string
>>"tctgt6901ggt ttaa".translate (None, string.digits)

'tctgtggtttaa'

Older versione:

>>"tctgt6901ggt ttaa".translate (string.maketra ns("", ""), string.digits)

'tctgtggtttaa'

Peter