List of all "\" notation for search (regex meta commands or char.)

[Fred H Olson]

I don't like to type anymore that needed. Sometimes to avoid typing something
I end up typeing more or take more time finguring out how to avoid typing it!

Today I vaguely remembered some new "\" shortcuts for searching
( aka \notations or regex meta commands or characters )

I ended up compiling the following cribsheet of them including two
groups of new ones. Have I missed any?

-----------------------------
TSE "\" notation for search
aka regex meta commands or characters:

In help: Jan 2022 ( with 4.50.rc28 - Jul 2024)
\a alert (beep) ^G ASCII 7/$07
\b backspace ^H ASCII 8/$08
\c set cursor
\f formfeed ^L ASCII 12/$0c
\n line feed ^J ASCII 10/$0a
\r return ^M ASCII 13/$0d
\t tab ^I ASCII 9/$09
\v vertical tab ^K ASCII 11/$0b
\xnn hex byte in search [ numbers: 0x1abc ]
\dnnn decimal byte in a search
\onnn octal byte in a search

New with May 24 2023 v4.50 rc 1
\d digit [0-9]
\D not digit [~0-9]
\s FF,LF,CR or tab [ \f\r\n\t]
\S not FF,LF,CR or tab [~ \f\r\n\t]
\w alpha numeric [a-zA-z0-9_]
\W not alpha numeric [~a-zA-z0-9_]

New with 29 Jul 2023 v4.50 rc7
\h hex [0-9A-Fa-f]
\H not hex [~0-9A-Fa-f]
\p printable [\x20-\x7E]
\P not printable [~\x20-\x7E]
Note that "\" also functions as an "escape" char. See Help.
-----------------------------

Fred
--
Fred H. Olson Minneapolis,MN 55411 USA (near north Mpls)
Email: fholson at cohousing.org 612-588-9532
My Link Pg: http://fholson.cohousing.org

[Carlo Hogeveen]

Fred,
You found all the documented special characters that can be used in a regular expression after a "\".
I wrote a test macro that would have found undocumented ones. It did not find any.
It did return the irrelevant result, that lFind('\' + Chr(0), 'gx') searches for Chr(14).
Carlo

[H P]

I think there's one more namely \\

Op za 3 aug 2024 22:51 schreef Carlo Hogeveen <t...@ecarlo.nl>:

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[knud van eeden]

>> Fred wrote: 

>> Note that "\" also functions as an "escape" char. See Help.

Sent from Yahoo Mail on Samsung Galaxy S24 Ultra / 1 terabyte / artificial intelligence

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[Carlo Hogeveen]

>> You found all the documented special characters that can be used in a regular expression after a "\".

> I think there's one more namely \\

Nope, "\\" in a regular expression behaves like a not-special character.

For example, searching these not-special characters with the "x" option:
"\e" just finds "e".
"\g" just finds "g".
"\i" just finds "i".
"\j" just finds "j".
"\k" just finds "k".
"\(" just finds "(".
"\\" just finds "\".

Carlo

[S.E. Mitchell]

These have been added to the help in version 4.5.
Under:
Regular Expression Operators, at the bottom of that topic, in the
summary. They should be in the body, but they are not there yet.
Summary List of Regular Expression Operators
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