Regular Expressions 101

Pro

^start of line

Non-Capturing Group(?:[^{}\n]*{[^}\n]*})*

*repeats the group contents below any number of times:

Negated Character Class[^{}\n]*

*matches any number of characters outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

\na line-feed (newline) character (ASCII 10)

{the literal { (123₁₀ / 173₈ / 7B₁₆)

Negated Character Class[^}\n]*

*matches any number of characters outside the set below:

}the literal } (125₁₀ / 175₈ / 7D₁₆)

\na line-feed (newline) character (ASCII 10)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

Negated Character Class[^{}\n]*

*matches any number of characters outside the set below:

{the literal { (123₁₀ / 173₈ / 7B₁₆)

}the literal } (125₁₀ / 175₈ / 7D₁₆)

\na line-feed (newline) character (ASCII 10)

$end of line

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.

25 tokens

Regular Expression

^(?:[^{}\n]*{[^}\n]*})*[^{}\n]*$

New

{a} {boy} lives here
{a} boy {lives} here
a {boy} lives here
a boy lives here
a boy lives here }
{{a} boy lives here}
a boy {{lives}} here
a boy {lives} here {

Substitution

{a} {boy} lives here
{a} boy {lives} here
a {boy} lives here
a boy lives here
a boy lives here }
{{a} boy lives here}
a boy {{lives}} here
a boy {lives} here {