how to detect an escape sequence in a string

Posted by mix on Stack Overflow See other posts from Stack Overflow or by mix
Published on 2010-06-13T01:52:48Z Indexed on 2010/06/13 3:52 UTC
Read the original article Hit count: 274

Given a string named line whose raw version has this value:

\rRAWSTRING

how can I detect if it has the escape character \r? What I've tried is:

if repr(line).startswith('\r'):
    blah...

but it doesn't catch it. I also tried find, such as:

if repr(line).find('\r') != -1:
    blah

doesn't work either. What am I missing?

thx!

EDIT:

thanks for all the replies and the corrections re terminolgy and sorry for the confusion.

OK, if i do this

print repr(line)

then what it prints is:

'\rSET ENABLE ACK\n'

(including the single quotes). i have tried all the suggestions, including:

line.startswith(r'\r')
line.startswith('\\r') 

each of which returns False. also tried:

line.find(r'\r')
line.find('\\r')

each of which returns -1

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