Hi Mohammad
Sorry I missed your question in the thread. If you're trying to get a control
character into a string for use in a regexp, you can use a construction like
this:
<$codeblock code={{{ [[%0a]decodeuricomponent[]addprefix[a]addsuffix[b]] }}}/>
The idea is to express the character in the % notation used by URIs, and then
use the decodeuricomponent filter operator to convert it into the corresponding
character. In this case, $0a corresponds to the newline character (ascii code
10).
Best wishes
Jeremy.
--
Jeremy Ruston
[email protected]
https://jermolene.com
> On 6 Mar 2019, at 13:52, Mohammad <[email protected]> wrote:
>
> Many Thanks Josiah!
>
> I would appreciate your time teaching us how to use regexp in Tiddlywiki and
> specially here with SNR2.
> For the issue you mentioned, I could not find any solution and Jeremy
> comments did not help me to understand what I should do!
>
> By the way, I thought it is better to choose the flag from interface, so I am
> adding
>
> i: ignore case
> g: find all (global match)
> \b: whole words
> m: multi line mode
>
> So, user can select one or a mixed of them (of course \b is something
> separate here!)
>
> I am not sure if m is useful here, but i and g are used frequently!
>
> --Mohammad
>
>
>
>> On Wednesday, March 6, 2019 at 5:10:19 PM UTC+3:30, @TiddlyTweeter wrote:
>> Mohammad & all interested
>>
>> I have done a lot of testing of "s-n-r2". It is very good!
>>
>>
>> DIFFERENCES FROM NORMAL REGEX
>>
>> It differs from normal regular expressions in that TiddlyWiki needs to guard
>> itself from eating itself.
>>
>> It does this by needing the regex to be wrapped in Quote Marks.
>>
>> The type of quote marks differ according to the use-case.
>>
>> IF a tiddler only contains ' then wrapping in " will work. And
>> vice-versa.
>>
>> IF a tiddler contains both ' and " quotes then the match string is
>> easiest enabled by wrapping it: """regex""" .
>>
>>
>> LIMITS
>>
>> 1 - I have found NO WAY to safely make changes in a tiddler that contains
>> the string """ . Those 3 double quotes are likely protecting TW from itself
>> but the regex can't currently cope with them.
>>
>> That rules out safe s-n-r via regex in many macros.
>>
>> 2 - SUBSTITUTION. Mohammad and I found out that there is currently no easy
>> way to get Control Codes into output replaces. This is problematic as, for
>> instance, we need to replace <pre> with \n```\n . BUT in replace the "\n"
>> is only treated as a literal.
>>
>> Best wishes
>> Josiah
>>
>
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