generic for counting pattern occurences
text_count default method
1 2 3 4 |
string |
text to search through |
pattern |
regex to search for |
sum |
if true all element-wise counts will be summed up |
vectorize |
should function be used in vectorized mode, i.e. should a pattern with length larger than 1 be allowed and if so, should it be matched to lines (with recycling if needed) instead of using on element on all lines |
... |
further arguments passed through to grep |
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