Using Regular Expressions
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Hello, Given an arbitrary string str(e.g. 'AAAAAAA'), if I want to find the regular expression pattern pat='A.A' (i.e. an 'A' followed by any character followed by another 'A'), then regexp(str,pat) returns locations 1 and 4 for the example string although the same pattern can be observed at location 2,3 and so on. Is there a way of finding all the locations? Thanks.
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Walter Roberson
2011-12-21
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No, not without a "while" or "for" loop.
However, if you change your pattern to pat = 'A(?=.A)' then you would get what you were hoping for.
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