Regular Expressions 101

Pro

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

Negative Lookahead(?!p\.)

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Group 1([^}]*?\.(?:description|input|label))

Negated Character Class[^}]*?

*?matches any number of characters outside the set below:

}the literal } (125₁₀ / 175₈ / 7D₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Non-Capturing Group(?:description|input|label)

1st Alternativedescription

descriptionthe literal text description (case sensitive)

2nd Alternativeinput

inputthe literal text input (case sensitive)

3rd Alternativelabel

labelthe literal text label (case sensitive)

\}the literal } (125₁₀ / 175₈ / 7D₁₆)

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

\$\{(?!p\.)([^}]*?\.(?:description|input|label))\}

New

${person.label} ${taco.input} ${person.description}
${p.person.label} ${taco.something} ${test-dash.description} ${test_underscore.input} ${999.label}

Extraction

${person.label} ${taco.input} ${person.description}
${p.person.label} ${taco.something} ${test-dash.description} ${test_underscore.input} ${999.label}