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