Edit: as noted by Albert Retey the performance difference is only seen when sub expression extraction is performed. If this test is used below the timings are similar: ...
Consider the following expression for matching balanced brackets: ...
Both of the following return True: ...
Mathematica's RegularExpression is based on Perl's PCRE library, which supports recursive regular expressions using (?R) (or, ...
Given this text: text1 = " A Vitamin D Deficiency (ICD-9-CM 268.9) (ICD-9-CM 268.9) 09/11/2015 01 "; Yes, the ICD code values are duplicates- possibly but ...
I did a previous research about similar questions, but I really am confuse about using html objects. I have the following situation: I Import a html from a url and I need to pick the numbers that ...