use of regular expressions on Textpad
Thread poster: Angel Llacuna
Angel Llacuna
Angel Llacuna  Identity Verified
Spain
Local time: 15:12
English to Spanish
May 23, 2018

How can I specify a regular expression on Texpad that searches for the second occurrence of a tab character on each row of a plain text file ?

 
Endre Both
Endre Both  Identity Verified
Germany
Local time: 15:12
English to German
Test this May 23, 2018

Never heard of Texpad before and didn't find information on the regex flavour it uses, but you could try something like this:

^[^\t]*\t[^\t]*\t

This is predicated on the regex engine representing tabs as \t and allowing for excluding character ranges, e.g. [^\t] meaning any character except tab.

Also, it matches the entire row up to the second tab; if you need only the tab matched, it will get a tad more complicated as you need to look into whether the rege
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Never heard of Texpad before and didn't find information on the regex flavour it uses, but you could try something like this:

^[^\t]*\t[^\t]*\t

This is predicated on the regex engine representing tabs as \t and allowing for excluding character ranges, e.g. [^\t] meaning any character except tab.

Also, it matches the entire row up to the second tab; if you need only the tab matched, it will get a tad more complicated as you need to look into whether the regex engine supports lookbehind (= checking the environment to the left of a potential match, in this case the tab).
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Olaf Schutze (X)
Olaf Schutze (X)  Identity Verified
Vietnam
English to German
+ ...
try Feb 18, 2019

Angel Llacuna wrote:


How can I specify a regular expression on Texpad that searches for the second occurrence of a tab character on each row of a plain text file ?


^[^\t]*(\t{1}).*$ // the first
^[^\t]*(\t{2}).*$ //the second


 


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use of regular expressions on Textpad






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