Regular Expressions 101

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

\{the literal { (123₁₀ / 173₈ / 7B₁₆)

\s*any whitespace character, repeated any number of times

Group path(?<path>[a-zA-Z_$]\w*(?:\.[a-zA-Z_$]\w*)*)

Character Class[a-zA-Z_$]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

$the literal $ (36₁₀ / 44₈ / 24₁₆)

\w*any word character, repeated any number of times

Non-Capturing Group(?:\.[a-zA-Z_$]\w*)*

*repeats the group contents below any number of times:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-zA-Z_$]

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

$the literal $ (36₁₀ / 44₈ / 24₁₆)

\w*any word character, repeated any number of times

\s*any whitespace character, repeated any number of times

\}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.

Search reference

Regular Expression

\$\{\s*(?<path>[a-zA-Z_$]\w*(?:\.[a-zA-Z_$]\w*)*)\s*\}

New

Hello, ${ name } Hello, ${ 0name } Hello, { name }
Hello, ${ _name_01 } Hello, ${ name$ } Hello, ${ _name_01 }
Hello, ${ $_name_2 }
Hello, ${ user.name.first } ${ user.name.last }!
Hello, ${ type.user.name.first.f1 } { type.user.name.last }!
Hello, ${ type.0user.name.first.f1 } ${ type.$user.name.last }!
Hello, ${ type.$user0._name_.first.f1 } ${ type.user$.name.last }!

Regular Expression

Extraction