package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)\\(ref){eq:(.*?)}`)
var str = `\ref{eq:0And1Qubit} hjhg
\ref{eq:EulerForm}the state is measured, as it can be shown $|\rho e^{i\theta}|^2=\rho^2$ ($i$ is always the imaginary unit in this report). In other words, it is not possible to measure the global phase. The description of $\ket{q}$ can then be confined to $\alpha,\beta,\phi\in\mathbb{R}$, where $\phi$ is the relative phase $\phi=\theta_\beta-\theta_\alpha$.`
var substitution = "\\eqref{eq:$2}"
fmt.Println(re.ReplaceAllString(str, substitution))
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/