Regular Expressions 101

Group 1([^ \\])

Negated Character Class[^ \\]

the literal (32₁₀ / 40₈ / 20₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

\$the literal $ (36₁₀ / 44₈ / 24₁₆)

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Group 2([^ \\])

Negated Character Class[^ \\]

the literal (32₁₀ / 40₈ / 20₁₆)

\\the literal \ (92₁₀ / 134₈ / 5C₁₆)

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

([^ \\])\$0([^ \\])

New

Hello '$0'. '$0' becomes the World. \$0 This shall remain \$0
Hello "$0". "$0" becomes the World. \$0 This shall remain \$0
Hello [$0]. [$0] becomes the World. \$0 This shall remain \$0

Regular Expression

Extraction