How to convert Php regular expression into js

Question

I have a regular expression in PHP and its working fine but i want to use it in js as well can any please tell me how to do that i am not much familiar with it

In php this expression is working like this it allow hyphen symbol (-) between number and character but remove hyphen symbol between characters and replace it with white space Like if i use any of this string

$string ="Al-Abbas - Manama - 100" or
$string ="100 - Al-Abbas - Manama"

$repl = preg_replace('/\d\h*-\h*(*SKIP)(*F)|-(?!\h*\d)/', ' ', $string);

after this i am getting this output

Al Abbas Manama - 100
100 - Al Abbas Manama

i want to do same like this in javascript how can i convert this expression in javascript or any other way to do like this in javascript.

you can't, you need to design your pattern (or your code) for javascript. Use capture groups, and a function as replacement. — Casimir et Hippolyte
– Casimir et Hippolyte, Commented Feb 28, 2016 at 9:29
Can you please guide me how i can make for javascript i haven't done before so i have no idea about this — OBAID
– OBAID, Commented Feb 28, 2016 at 9:32

Casimir et Hippolyte · Accepted Answer · 2016-02-28 09:55:36Z

2

you can use this pattern that captures what you want to avoid. Since \h doesn't exists in javascript you can emulate it using [^\S\r\n]. The replacement function returns the group when it exists or a space:

mystr = mystr.replace(/(\d[^\S\r\n]*-)|-(?![^\S\r\n]*\d)/g, function (_, g) {
    return g ? g : ' '; });

answered Feb 28, 2016 at 9:55

Casimir et Hippolyte

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Joseph Khella · Accepted Answer · 2016-02-28 09:32:14Z

-1

var str="100 - Al-Abbas - Manama";
var newstr = str.replace(/\d\h*-\h*(*SKIP)(*F)|-(?!\h*\d)/, ' ');

answered Feb 28, 2016 at 9:32

Joseph Khella

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2 Comments

OBAID Over a year ago

not working showing error i think you miss inverted commas ..?

Casimir et Hippolyte Over a year ago

the character class \h doesn't exist in javascript nor the backtracking control verbs (*SKIP) and (*F)

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