I am scanning text that has identifiers with a constant prefix string
followed by alphanumerics and underscores. I can't figure out, using
pyparsing, how to match for this. The example expression below seems to
be looking for whitespace between the 'atod' and the rest of the
identifier.
identifier_atod = 'atod' + pp.Word('_' + pp.alphanums)
How can I get pyparsing to match 'atodkj45k' and 'atod_asdfaw', but not
'atgdkasdjfhlksj' and 'atod asdf4er', where the first four characters
must be 'atod', and not followed by whitespace?
Thanks!
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