Mar 17, 2015 · It can't be possible to replace captured uppercase or lowercase letter with the letter according to the type of letter captured through regex alone. But it can be possible through language built-in functions + regex. In php, i would do like.

var s2 = s.replace(/your complex regex/g, "#$&#"); The back-reference $& brings in the entire match. If you want to match "abc" in any case: var s2 = s.replace(/abc/ig, "#$&#"); If you only want to bring in part of a larger pattern, you can refer to it by its group number: var s2 = s.replace(/some (part) of a string/ig, "#$1#");

Dim input As String = "$17.43 €2 16.33 £0.98 0.43 £43 12€ 17" Dim replacement As String = "$2" Dim rgx As New Regex(pattern) Dim result As String = rgx.Replace(input, replacement) Console.WriteLine("Original String: '{0}'", input) Console.WriteLine("Replacement String: '{0}'", result) End Sub End Module ' The example displays the following output: ' Original String: …

@Noj I added them in case you wanted to extend the regex with some other stuff. The paranthesis around the variable ss turn it into a capturing group. Since this one is the first capturing group ((?i) is not a capturing group), I accessed it with $1 afterwards.$0 accesses the whole match, so for example if you used "(?i)"+ss+" something" as your regex, something …

Nov 17, 2011 · will preserve case, because it reuses the matched text. Note that i is the case insensitivity flag, and g means it will match every occurrence, rather than just the first as would happen without the g flag. For a pretty good overview …

May 19, 2022 · When the regex (? i) (helló) (wórld) matches HeLlÓ WóRlD the replacement text \U \l $1 \E \L \u $2 becomes hELLÓ Wórld. Literal text is also affected. \U $1 Dear $2 becomes HELLÓ DEAR WÓRLD. Perl’s case conversion works in regular expressions too. But it doesn’t work the way you might expect.

Dec 06, 2017 · Selection RegEx: ([a-zA-Z]*) ([a-zA-Z]*) ([a-zA-Z]*) Replacement: \U\1 \2 \3; Final value: HELLO FUNNY WORLD; Comments: The initial \U control string converts all characters that follow uppercase. Example 2: Source text: hEllo FuNnY WorlD; Selection RegEx: ([a-zA-Z]*) ([a-zA-Z]*) ([a-zA-Z]*) Replacement: \U\1 \L\2 \U\3; Final value: HELLO funny WORLD

This can be done easily using regular expressions. In a substitute command, place \U or \L before backreferences for the desired output. Everything after \U, stopping at \E or \e, is converted to uppercase. Similarly, everything after \L, stopping at \E or \e, is converted to lowercase.

Mar 17, 2022 · Open the search and replace pane Ctrl+R. Make sure that is selected in the search field. In the search field enter the search pattern. In the replace field, depending on what you want to achieve, enter one of the following syntax: \l changes a character to lowercase until the next character in the string. For example, Bar becomes bar.

The syntax for the REGEXP_REPLACE function in Oracle is: REGEXP_REPLACE ( string, pattern [, replacement_string [, start_position [, nth_appearance [, match_parameter ] ] ] ] ) Parameters or Arguments string The string to search. It can be CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB. pattern The regular expression matching information.