Regular Expressions 101

Pro

Negative Lookbehind(?<![#{\w])

Character Class[#{\w]

#the literal # (35₁₀ / 43₈ / 23₁₆)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

\wany word character

\w+any word character, repeated at least once

Negative Lookahead(?![\w}])

Character Class[\w}]

\wany word character

}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

Detailed match information will be displayed here automatically.

26 tokens

Regular Expression

(?<![#{\w])\w+(?![\w}])

New

GOAL: Extract every word-that-is-not-a-variable-from-an interpolated-string

Examples :

'The variable 1 is #{vf a sr} abc'
'the variable 2 is #{var}'
'the variable is something'
'The variables are #{ b } and #{&c&}'

Extraction

GOAL: Extract every word-that-is-not-a-variable-from-an interpolated-string

Examples :

'The variable 1 is #{vf a sr} abc'
'the variable 2 is #{var}'
'the variable is something'
'The variables are #{ b } and #{&c&}'