can some on explain: prxchange('s/^\x00+ +$/ /', -1,my_column) as chan...

venka · Posted 09-19-2014 10:48 AM

prxhange('s/^\x00+ +$/ /', -1,my_column) as changed_column

I understand it as prxchange('substitute/pattern,/replacement/',until end of source, my_column) as changed_column, am I right?

can some one explain the pattern /^\x00+ +$/ ?

jakarman · Posted 09-19-2014 12:58 PM

did you google for the perl regular expressions?

---->-- ja karman --<-----

can some on explain: prxchange('s/^\x00+ +$/ /', -1,my_column) as changed_column