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Full Discussion: Find & Replace with same case letters
Top Forums UNIX for Dummies Questions & Answers Find & Replace with same case letters Post 302926198 by grep_me on Friday 21st of November 2014 06:23:50 PM
Old 11-21-2014
Hi Jim - Here is my OS:

Code:
$>uname -o
GNU/Linux

And I am trying to reduce my lines in my code, hoping that awk or sed has something to take care of case even for the replace code.

Don - it should change all occurrences of "text/TEXT" and change it to the appropriate "word/WORD". Mixed case is not in my file and would never be there, so it doesn't matter in case of mixed case.
its like global replace, but it has to take care of cases too:
text should be replaced with word
TEXT should be replace with WORD
TeXt should be replaced with WoRd (not critical)
find string and replace string will always have same number of characters.

Hope I am clear now.
 

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LEARN ABOUT PHP

mb_eregi_replace

MB_EREGI_REPLACE(3)							 1						       MB_EREGI_REPLACE(3)

mb_eregi_replace - Replace regular expression with multibyte support ignoring case

SYNOPSIS

       string mb_eregi_replace (string	$pattern, string  $replace, string  $string, [string  $option = "msri"])

DESCRIPTION

	Scans $string for matches to $pattern, then replaces the matched text with $replacement.

PARAMETERS

	      o $pattern
		- The regular expression pattern. Multibyte characters may be used. The case will be ignored.

	      o $replace
		- The replacement text.

	      o $string
		- The searched string.

	      o $option
		-$option has the same meaning as in mb_ereg_replace(3).

RETURN VALUES

	The resultant string or FALSE on error.

NOTES

       Note

	      The  internal  encoding  or the character encoding specified by mb_regex_encoding(3) will be used as the character encoding for this
	      function.

       Warning

	      Never use the e modifier when working on untrusted input. No automatic escaping will happen (as  known  from  preg_replace(3)).  Not
	      taking care of this will most likely create remote code execution vulnerabilities in your application.

SEE ALSO

       mb_regex_encoding(3), mb_ereg_replace(3).

PHP Documentation Group 												       MB_EREGI_REPLACE(3)
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