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Top Forums Shell Programming and Scripting Help to parse syslog with perl Post 303037315 by arm on Monday 29th of July 2019 05:12:16 PM
Old 07-29-2019
@Chubler_XL
billion thanks for prompt response , in fact I have no "perl" background so if you can do me a favor and answer my below inquires it would be highly appreciated:

1. Could you please tell me where can I learn such regular expressions , any link or any book should go though ?
2. What is the equivalent regex for :
Code:
(?=.*dstcountry=("[^"]+"|\S+))  and  (?=.*dstcountry="([^"]+)")

if I wanna do it using stream editor in bash:
Code:
sed 's/?/?/g'

 

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cs_parse_string(3)						      cs/cs.h							cs_parse_string(3)

NAME
cs_parse_string - parse a CS template string SYNOPSIS
#include <cs/cs.h> NEOERR *cs_parse_string (CSPARSE *parse, char *buf, size_t blen); ARGUMENTS
parse - a CSPARSE structure created with cs_init buf - the string to parse. Embedded NULLs are not currently supported blen - the length of the string DESCRIPTION
cs_parse_string parses a string. The string is modified, and internal references are kept by the parse tree. For this reason, ownership of the string is transfered to the CS system, and the string will be free'd when cs_destroy() is called. The parse information will be appended to the current parse tree. During parse, the only HDF variables which are evaluated are those used in evar or include statements. RETURN VALUE
None SEE ALSO
cs_dump(3), cs_destroy(3), cs_render(3), cs_register_esc_strfunc(3), cs_arg_parsev(3), cs_register_fileload(3), cs_init(3), cs_regis- ter_strfunc(3), cs_arg_parse(3), cs_parse_string(3), cs_parse_file(3), =(3), cs_register_function ClearSilver 12 July 2007 cs_parse_string(3)
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