Thanks, works great. matt
On 3/3/2011 10:53 AM, MRAB wrote: > On 03/03/2011 17:33, maf...@nmsu.edu wrote: >> Hi, >> >> i have a line that looks something like: >> 2.234e+04 3.456e+02 7.234e+07 1.543e+04: some description >> >> I would like to extract all the numbers. From the python website i >> got the >> following expression for matching what in c is %e (i.e. scientific >> format): >> (see http://docs.python.org/library/re.html) >> [-+]?(\d+(\.\d*)?|\.\d+)([eE][-+]?\d+)? >> And when i apply the pattern (using extra parenthesis around the whole >> expression) it does match the first number in the line. >> >> Is there any way to repeat this pattern to get me all the numbers in the >> line? >> I though the following might work, but i doesn't: >> ([-+]?(\d+(\.\d*)?|\.\d+)([eE][-+]?\d+)?){numToRepeat) >> > You're forgetting that the numbers are separated by a space. > >> Or will i have to split the line first, then iterate and the apply >> the match? >> >> Any help is greatly appreciated. >> > Use re.findall to find all the matches. -- http://mail.python.org/mailman/listinfo/python-list
