Regular Expressions 101

Pro

\ban ASCII word boundary

varthe literal text var (case sensitive)

i?optionally matches the literal i (105₁₀ / 151₈ / 69₁₆) (case sensitive)

Group 1((?<=i)a)?

?repeats the group contents below at most once:

Positive Lookbehind(?<=i)

ithe literal i (105₁₀ / 151₈ / 69₁₆) (case sensitive)

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

Group 2((?<=a)b)?

?repeats the group contents below at most once:

Positive Lookbehind(?<=a)

athe literal a (97₁₀ / 141₈ / 61₁₆) (case sensitive)

bthe literal b (98₁₀ / 142₈ / 62₁₆) (case sensitive)

Group 3((?<=b)l)?

?repeats the group contents below at most once:

Positive Lookbehind(?<=b)

bthe literal b (98₁₀ / 142₈ / 62₁₆) (case sensitive)

lthe literal l (108₁₀ / 154₈ / 6C₁₆) (case sensitive)

Group 4((?<=l)e)?

?repeats the group contents below at most once:

Positive Lookbehind(?<=l)

lthe literal l (108₁₀ / 154₈ / 6C₁₆) (case sensitive)

ethe literal e (101₁₀ / 145₈ / 65₁₆) (case sensitive)

\ban ASCII word boundary

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

\bvari?((?<=i)a)?((?<=a)b)?((?<=b)l)?((?<=l)e)?\b

New

var name
vari name
varia name
variab name
variabl name
variable name
vard name
va name

var name
vari name
varia name
variab name
variabl name
variable name
vard name
va name