[lp_regexp_encode]
Description
Returns regexp hex-encoded text. Use to avoid passing special regexp chars into the regexp engine.
Requires [lp_string_ucs]
Parameters
-text
string, required The string to encode.
Sample Usage
'<pre>';
var:'search' = (:'ä','dog','++','\\','$');
var:'text' = 'This is a test $string with special regexp ä characters \\dog test. ++';
'Text = ' $text '<br><br>';
iterate: $search, local:'s';
var:'encode' = lp_regexp_encode: #s;
'-' * 60 '\r\n';
'Search = ' #s '\r\n';
'Encode = ' $encode '\r\n';
'Found = ' (string_findregexp: $text, -find=$encode, -ignorecase) '\r\n';
/iterate;
'</pre>';
Source Code
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1
[
define_tag:'lp_regexp_encode',
-description='Returns regexp hex-encoded text.',
-priority='replace',
-required='text';
// use to avoid passing special regexp chars into the regexp engine
// http://www.pcre.org/pcre.txt
local:'return' = string;
// encode regexp chars
iterate: #text, local:'char';
#return += '\\x{' (lp_string_ucs: #char, -hex) '}';
/iterate;
return: @#return;
/define_tag;
]
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