Regular Expressions 101

Pro

\ba Unicode word boundary

Character Class[fF]

fthe literal f (102₁₀ / 146₈ / 66₁₆) (case sensitive)

Fthe literal F (70₁₀ / 106₈ / 46₁₆) (case sensitive)

ilesthe literal text iles (case sensitive)

\ba Unicode word boundary

Negated Character Class[^*()]*

*matches any number of characters outside the set below:

*the literal * (42₁₀ / 52₈ / 2A₁₆)

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

?repeats the group contents below at most once:

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^()]*

*matches any number of characters outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

Group ext(?<ext>\.[\w*]+)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[\w*]+

+matches at least one character from the set below:

\wa Unicode word character

*the literal * (42₁₀ / 52₈ / 2A₁₆)

Non-Capturing Group(?:[,;]\*(?<ext>\.[\w*]+))*

*repeats the group contents below any number of times:

Character Class[,;]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

;the literal ; (59₁₀ / 73₈ / 3B₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

Group ext(?<ext>\.[\w*]+)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[\w*]+

+matches at least one character from the set below:

\wa Unicode word character

*the literal * (42₁₀ / 52₈ / 2A₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

25 tokens

\b[fF]iles\b[^*()]*(?:\([^()]*\))?\|\*(?<ext>\.[\w*]+)(?:[,;]\*(?<ext>\.[\w*]+))*

New

txt files `(*.txt)|*.txt|All files (*.*)|*.*`
Image Files`|*.jpg;*.jpeg;*.png;`
Excel Files `(*.xls, *.xlsx)|*.xls;*.xlsx|CSV Files (*.csv)|*.csv`

txt files `(*.txt)|*.txt|All files (*.*)|*.*`
Image Files`|*.jpg;*.jpeg;*.png;`
Excel Files `(*.xls, *.xlsx)|*.xls;*.xlsx|CSV Files (*.csv)|*.csv`