Hi All.

I'm really stuck so hoping someone on the list can help. I'm looking for single regex that can find function calls with exactly 2 parameters. Basically, the regex pattern would look something like this:

\(\s*(.+?)\s*,\s*([^,\)]+?)\s*\)

However, the second parameter could contain anything, including commas and parentheses enclosed in quotes (or as part of a function that executes as the second parameter). Here are some example function calls that the pattern should find:

ereg('sdfs', ',)')
ereg('sdfs', addslashes(',)'))


This is a function call that should NOT match:

ereg('sdfs', addslashes(',)'), $regs)


The one variable that will always be true is that if there is a third parameter it will always be preceded by a comma (and optional space) and match this regex: \$[a-z_][a-z0-9_]* (a valid variable name in PHP).

I suspect the answer may contain some combination of recursion and conditional patterns, but I just can't believe there isn't a simpler solution as in my experience, complex solutions simply aren't!

Thanks in advance to anyone who can lend a hand.

Sincerely,

Ted Stresen-Reuter
http://tedmasterweb.com

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