regex for inline substitution w/ sed

Start with two letters and followed by any number of Integers

With this pattern possible select decimal that cantain comma or space

Test a given string for phone number variations and extract th parts.

Limpa os caracteres especiais e letras de um telefone imputado

const uint8_t T_SYN_3 23 to const uint8_t T_SYN_3 = 23;

#define const_value 4 to const uint8_t const_value 4

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This is able to match both side of an equation.

use this to get value of any side of an equation. You can combine this with https://regex101.com/r/fH5kJ1/1

check if two operator follow and if two [xX] follow. You can combine this with https://regex101.com/r/qT7fO0/1

easy syntax check for equation