regex101: PCRE (Legacy) Match Workspace

Pro

Group 1(n|an_nh)

1st Alternativen

nthe literal n (110₁₀ / 156₈ / 6E₁₆) (case sensitive)

2nd Alternativean_nh

an_nhthe literal text an_nh (case sensitive)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Group 2(vc_v|naca_(i|E[1-4]|k_[1-4][1-4]))

1st Alternativevc_v

vc_vthe literal text vc_v (case sensitive)

2nd Alternativenaca_(i|E[1-4]|k_[1-4][1-4])

naca_the literal text naca_ (case sensitive)

Group 3(i|E[1-4]|k_[1-4][1-4])

1st Alternativei

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

2nd AlternativeE[1-4]

Ethe literal E (69₁₀ / 105₈ / 45₁₆) (case sensitive)

Character Class[1-4]

1-4one character from 1 (49₁₀) to 4 (52₁₀)

3rd Alternativek_[1-4][1-4]

k_the literal text k_ (case sensitive)

Character Class[1-4]

1-4one character from 1 (49₁₀) to 4 (52₁₀)

Character Class[1-4]

1-4one character from 1 (49₁₀) to 4 (52₁₀)

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

25 tokens

Regular Expression

(n|an_nh)_(vc_v|naca_(i|E[1-4]|k_[1-4][1-4]))

New

Should match:
an_nh_naca_i
an_nh_naca_k_12
an_nh_naca_k_21
an_nh_naca_k_23
an_nh_naca_k_32
an_nh_naca_k_34
an_nh_naca_k_43
an_nh_naca_k_41
an_nh_naca_k_14
an_nh_naca_E1
an_nh_naca_E2
an_nh_naca_E3
an_nh_naca_E4
an_nh_vc_v
n_naca_i
n_naca_k_12
n_naca_k_21
n_naca_k_23
n_naca_k_32
n_naca_k_34
n_naca_k_43
n_naca_k_41
n_naca_k_14
n_naca_E1
n_naca_E2
n_naca_E3
n_naca_E4
n_vc_v

Should not match:
an_nh_naca_F1_3n_i
an_nh_naca_F1_3n_o
n_naca_F1_3n_i
n_naca_F1_3n_o