const regex = new RegExp('\\[(?P<key>.+?)(?:\\s+(?P<settings>.*?))?\\]', 'gmsu')
const str = `### The I_Soil System
The I-soil material model is a nonlinear hysteretic soil model that is based on the distributed
element models developed by [!citet](iwan1967on) and [!citet](chiang1994anew). In 1-D, this model takes
the backbone stress-strain curve and divides it into a set of elastic-perfectly plastic curves. The
total stress then is the sum of the stresses from the individual elastic-perfectly plastic curves.
The three dimensional generalization of this model is achieved using von-Mises failure criteria for
each elastic-perfectly plastic curve resulting in an invariant yield surfaces in three-dimensional
stress space like in [fig:yieldsurface] (after [!citet](chiang1994anew)).`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
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 JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions