Created
May 1, 2016 20:28
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Angular2 text highlight pipe
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import {PipeTransform, Pipe} from 'angular2/core'; | |
@Pipe({ name: 'highlight' }) | |
export class HighLightPipe implements PipeTransform { | |
transform(text: string, [search]): string { | |
return search ? text.replace(new RegExp(search, 'i'), `<span class="highlight">${search}</span>`) : text; | |
} | |
} | |
/** Usage: | |
* <input type="text" [(ngModel)]="filter"> | |
* <div [innerHTML]="myAwesomeText | highlight : filter"></div> | |
* | |
*/ | |
Usage:
<div [innerHTML]="
string
| highlightText
: string
: 'string'
: boolean
: 'string'
"></div>
<td>
<div [innerHTML]="
row.content
| highlightText
: searchInputValue
: 'MULTI_MATCH'
: true
: 'your-class'
"></div>
</td>
@rafcontreras use this, so you can search for special characters too:
stringToHighlight = stringToHighlight.replace(/([-[\]{}()*+?.\\^$|#,])/g,'\\$1');
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In case someone is having problems with @ankitgrover 's code (Thank you!) :