CODEWITHSUNDEEP
pythonregex
Kirk ERW
Kirk ERW

Reputation: 167

Regular expression to extract words before a slash

I'd like to extract the two words FIRST and SECOND from the phrase below, i've tried with this regex, to get the word before the slash but it doesn't work : / btw it's on python: 

 import re 

    data = "12341    O:EXAMPLE (FIRST:/xxxxxx) R:SECOND/xxxxx id:1234"
    data2 = "12341    O:EXAMPLE:FIRST2:/xxxxxx) R:SECOND2/xxxxx id:1234"

    result = re.findall(r'[/]*',data)
    result2 = re.findall(r'[/]*',data2)
    print result,result2

Upvotes: 1

Views: 3716

Answers (1)

Tim Pietzcker
Tim Pietzcker

Reputation: 336158

Try

result = re.findall(r'\w+:?(?=/)',data)

Explanation:

\w+   # Match one or more alphanumeric characters
:?    # Match an optional colon
(?=/) # Assert that the next character is a slash

If you don't want the colon to be part of the match (your question is unclear on this), put the optional colon into the lookahead assertion:

result = re.findall(r'\w+(?=:?/)',data)

Upvotes: 6

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