Regular Expressions 101

Group 1(\[SM_g])

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

SM_g]the literal text SM_g] (case sensitive)

Group 2([^[]*)

Negated Character Class[^[]*

*matches any number of characters outside the set below:

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group 3(\[SM_h])

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

SM_h]the literal text SM_h] (case sensitive)

Group 4((?=([,\.])|(\[SM_l])|( ?&\\?quot;)).*)?

?repeats the group contents below at most once:

Positive Lookahead(?=([,\.])|(\[SM_l])|( ?&\\?quot;))

1st Alternative([,\.])

Group 5([,\.])

Character Class[,\.]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

2nd Alternative(\[SM_l])

Group 6(\[SM_l])

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

SM_l]the literal text SM_l] (case sensitive)

3rd Alternative( ?&\\?quot;)

Group 7( ?&\\?quot;)

?optionally matches the literal (32₁₀ / 40₈ / 20₁₆)

&the literal & (38₁₀ / 46₈ / 26₁₆)

\\?optionally matches the literal \ (92₁₀ / 134₈ / 5C₁₆)

quot;the literal text quot; (case sensitive)

.*any character (except for line terminators), repeated any number of times

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

(\[SM_g])([^[]*)(\[SM_h])((?=([,\.])|(\[SM_l])|( ?&\\?quot;)).*)?

New

[SM_g]word[SM_h].[SM_l] &quot;
[SM_g]word[SM_h][SM_l]&quot;
[SM_g]word[SM_h]&quot;[SM_l].
[SM_g]word[SM_h]&quot;.
[SM_g]word[SM_h][SM_l].
[SM_g]word[SM_h].
[SM_g]word[SM_h]
[SM_g]word[SM_h] &quot;.
[SM_g]word[SM_h][SM_l] &\quot;.

[SM_g]word[SM_h].[SM_l]&quot;
[SM_g]word[SM_h]&quot;[SM_l].


[SM_g]word[SM_h] &quot;.

Substitution

\1\2\7\3