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Added in 1.9.0

$regsubex([name], text, re, subtext)

Performs a regular regular expression and then performs a substitution using subtext.

Returns the substituted text.

Parameters

[name] - Name of the search, which can later be referenced using $regml. (optional)
text - The text to search.
re - The regular expression to perform.
subtext - Subtext to replace with.

Subtext

The subtext evaluates identifiers before performing the substitution and special markers can be used to reference various parts of the result.

\0 - Returns the number of matches.
\n - Returns the current match number.
\t - Returns the current match text (same as $regml(\n)).
\a - Returns all matching items.
\A - Returns a non-spaced version of \a.
\1 \2 \N ... - Returns the Nth back-reference made for a given match

Example

; Find all lowercase 'a-z' characters and replace them with an uppercase character.
//echo -ag $regsubex(abcdefg,/([a-z])/g,$upper(\1))

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