Regular Expressions 101

(?s)applies the following effective flags to the remainder of the pattern: gms

s modifier: single line. Allows a dot to match line terminators

CODEthe literal text CODE (case sensitive)

.*?any Unicode character, repeated any number of times

CODEthe literal text CODE (case sensitive)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(?s)CODE.*?CODE

New

Some stuff to keep <b>here</b>

CODE
<b>Replace gt and lt</b>
<i>inside <script>this</script> code</i>
CODE

Some more stuff to keep <b>here</b>