Regular Expressions 101

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Group 1(.*(?!\{))

.*any character, repeated any number of times

Negative Lookahead(?!\{)

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

myTagThingthe literal text myTagThing (case sensitive)

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

.*any character, repeated any number of times

Negative Lookbehind(?<!\})

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

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

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

\{(.*(?!\{))\$myTagThing\$.*(?<!\})\}

New

{
    {
        $myTagThing$
    }
}