Regular Expressions 101

Pro

^start of line

maintenance_modethe literal text maintenance_mode (case sensitive)

Character Class[ \t]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

=the literal = (61₁₀ / 75₈ / 3D₁₆)

Character Class[ \t]*

*matches any number of characters from the set below:

the literal (32₁₀ / 40₈ / 20₁₆)

\ta tab character (ASCII 9)

\da digit

$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

^maintenance_mode[ \t]*=[ \t]*\d$

New

[log]
log_writers[] = "file"
log_writers[] = "screen"

[General]
maintenance_mode = 0
enable_browser_archiving_triggering = 0
enable_sql_optimize_queries = 0
force_ssl = 1

Substitution

[log]
log_writers[] = "file"
log_writers[] = "screen"

[General]
maintenance_mode = 0
enable_browser_archiving_triggering = 0
enable_sql_optimize_queries = 0
force_ssl = 1