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global-functions: introduce $EscapeForRegEx

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This commit is contained in:
Christian Hesse 2021-03-17 08:51:23 +01:00
parent baa096fe03
commit 7c4ab95394
1 changed files with 23 additions and 0 deletions
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23
global-functions
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@ -24,6 +24,7 @@
:global DeviceInfo;
:global DNSIsResolving;
:global DownloadPackage;
:global EscapeForRegEx;
:global FlushEmailQueue;
:global FlushTelegramQueue;
:global GetMacVendor;
@ -289,6 +290,28 @@
:return false;
}
# escape for regular expression
:set EscapeForRegEx do={
:local Input [ :tostr $1 ];
:if ([ :len $Input ] = 0) do={
:return "";
}
:local Return "";
:local Chars "^.[]\$()|*+\?{}\\";
:for I from=0 to=([ :len $Input ] - 1) do={
:local Char [ :pick $Input $I ];
:if ([ :find $Chars $Char ]) do={
:set Char ("\\" . $Char);
}
:set Return ($Return . $Char);
}
:return $Return;
}
# flush e-mail queue
:set FlushEmailQueue do={
:global EmailQueue;