regex101: Python Match Workspace

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Positive Lookahead(?=[^_]*_[^_]*$)

Negated Character Class[^_]*

*matches any number of characters outside the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Negated Character Class[^_]*

*matches any number of characters outside the set below:

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

$end of line

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

Search reference

Regular Expression

_(?=[^_]*_[^_]*$)

New

actual_value
fitted_value_RUT_ARIMA
fitted_lower_value_RUT_ARIMA
fitted_upper_value_RUT_ARIMA
predicted_value_RUT_ARIMA
predicted_lower_value_RUT_ARIMA
predicted_upper_value_RUT_ARIMA
fitted_value_RUT_ES
fitted_lower_value_RUT_ES
fitted_upper_value_RUT_ES
predicted_value_RUT_ES
predicted_lower_value_RUT_ES
predicted_upper_value_RUT_ES
fitted_value_RUT_SARIMAX
fitted_lower_value_RUT_SARIMAX
fitted_upper_value_RUT_SARIMAX
predicted_value_RUT_SARIMAX
predicted_lower_value_RUT_SARIMAX
predicted_upper_value_RUT_SARIMAX